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  • *Biological Evolution  (404)
  • Adult
  • Chemistry
  • American Association for the Advancement of Science (AAAS)  (1,011)
  • Springer  (7)
  • 2015-2019  (310)
  • 2000-2004  (485)
  • 1980-1984  (223)
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  • 1
    Electronic Resource
    Electronic Resource
    Interstellar molecules (1980)
    Springer
    Journal of molecular evolution 15 (1980), S. 79-101 
    Details
    ISSN: 1432-1432
    Keywords: Molecules ; Interstellar ; Chemistry ; Isotopes ; Solar system
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The study of interstellar molecules broadly includes two areas of interest. One area uses the unique ability of molecules to act as probes of the physical conditions in the cold, dense, visually opaque component of the interstellar medium. The physical properties of this and other components of the interstellar medium are summarized. The other area deals with the chemistry of interstellar molecules, recent aspects of which are emphasized in this review. Gas-phase chemistry, shock chemistry, and grain surface chemistry are discussed in the context of recent observations. No present observations suggest that surface reactions are relevant, but neither can they be ruled out. Ion-molecule reactions are clearly operative, at least for the simpler species. Chemical isotope fractionation is reviewed, andd it is concluded that the complexities of the chemistry allow no cosmological conclusions to be drawn from observations of deuterium in interstellar molecules, while the presence of13C in interstellar molecules permits an estimate of the12C/13C ratio which is consistent with the current concepts of the nucleosynthesis history of the Galaxy. Possible connections between interstellar molecules and the early molecular history of the solar system are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01732663
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  • 2
    Electronic Resource
    Electronic Resource
    The importance of energetic particle precipitation on the chemical composition of the middle atmosphere (1980)
    Springer
    Pure and applied geophysics 118 (1980), S. 128-151 
    Details
    ISSN: 1420-9136
    Keywords: Galactic cosmic rays ; Solar proton events ; Particle precipitation ; Chemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract An assessment is made of the relative contribution of certain classes of energetic particle precipitation to the chemical composition of the middle atmosphere with emphasis placed on the production of odd nitrogen and odd hydrogen species and their subsequent role in the catalytic removal of ozone. Galactic cosmic radiation is an important source of odd nitrogen in the lower stratosphere but since the peak energy deposition occurs below the region where catalytic removal of O3 is most effective, it is questionable whether this mechanism is important in the overall terrestrial ozone budget. The precipitation of energetic solar protons can periodically produce dramatic enhancement in upper stratospheric NO. The long residence time of NO in this region of the atmosphere, where catalytic interaction with O3 is also most effective, mandates that this mechanism be included in future modelling of the global distribution of O3. Throughout the mesosphere the precipitation of energetic electrons from the outer radiation belt (60°≲Λ≲70°) can sporadically act as a major local source of odd hydrogen and odd nitrogen leading to observable O3 depletion. Future satellite studies should be directed at simultaneously measuring the precipitation flux and the concomitant atmosphere modification, and these results should be employed to develop more sophisticated models of this important coupling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01586448
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  • 3
    Electronic Resource
    Electronic Resource
    The consequences of the mutual recognition of measurement standards for international metrology (2000)
    Springer
    Accreditation and quality assurance 5 (2000), S. 409-413 
    Details
    ISSN: 1432-0517
    Keywords: Key words Metrology ; Comparisons ; Chemistry ; Standards
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract  After stressing the importance in the modern world of accurate and reproducible measurements, the actions taken by the Bureau International des Poids et Mesures to set up, together with the regional metrology organizations, a series of key comparisons are described. They are the technical foundation of a mutual recognition of national measurement standards arrangement prepared in conjunction with the National Metrology Institutes (NMIs). This arrangement also includes the recognition of calibration and measurement certificates issued by these institutes. Then, the consequences of this arrangement for trade are described. The case of chemical analysis is illustrated by the application of the Kyoto protocol on the reduction of greenhouse gases. But the global workload to be taken up by the International Committee of Weights and Measures, its Consultative Committee for Amount of Substance and the NMIs is huge.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007690000228
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  • 4
    Electronic Resource
    Electronic Resource
    Partial purification and characterization of the bone resorption factor fromActinomyces viscosus (1982)
    Springer
    Calcified tissue international 34 (1982), S. 49-53 
    Details
    ISSN: 1432-0827
    Keywords: Bacterial amphophile ; Purification ; Chemistry ; Resorption ; Ca influx ; Cyclic AMP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary The bone resorptive factor and amphipathic antigen (AcA) previously identified by us in preparations fromActinomyces viscosus have been partially purified, characterized chemically, and compared. They elute at the same location on chromatography with Ac 22. The fatty acid composition of AcA and the bone resorptive factor is the same. Some differences in carbohydrate composition are observed. TheActinomyces factor does not affect calcium influx or cyclic AMP in isolated bone cells. Therefore it is concluded that AcA stimulates resorption either by gaining entrance into bone cells or by way of a yet undetermined second messenger.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02411208
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  • 5
    Electronic Resource
    Electronic Resource
    Observations on adults and eggs of chaoborus flavicans (Diptera: Chaoboridae) (1980)
    Springer
    Hydrobiologia 74 (1980), S. 195-197 
    Details
    ISSN: 1573-5117
    Keywords: Adult ; Chaoborus ; copulation ; egg ; morphology ; rearing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Adults of Chaoborus flavicans (Meigen) (Diptera: Chaoboridae) were observed in the laboratory. Newly emerged females contained well-developed oöcytes. Copulation was successfully induced using a method originally developed for mosquitoes. Copulation also took place naturally in a cage. Females could be induced to oviposit by decapitating them. Natural deposition of 18 to 387 eggs occurred on deionized water or on oak-leaf infusion. Naturally deposited eggs were arranged in a regular pattern within a gelatinous matrix. The eggs were smoky-gray in color and translucent, allowing observation of the developing embryos.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00008752
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  • 6
    Electronic Resource
    Electronic Resource
    Biology of the southern brook lamprey,Ichthyomyzon gagei (1982)
    Springer
    Environmental biology of fishes 7 (1982), S. 305-320 
    Details
    ISSN: 1573-5133
    Keywords: Adult ; Ammocoetes ; Fecundity ; Growth ; Metamorphosis ; Morphometrics ; Spawning ; Temperature ; Cyclostomata ; Petromyzoniformes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Synopsis Larval, metamorphosing and adult representatives of the southern brook lamprey,Ichthyomyzon gagei, were collected from Choclafaula Creek in Alabama to provide information on aspects of its life cycle. The proportional length of the prebranchial, branchial, trunk and tail regions changed throughout larval life in a pattern similar to that demonstrated in other lampreys. Body depth changed also throughout much of larval life. Oral disc, dorsal fin height, and eye diameter increased through all or most of metamorphosis and the adult interval. Length-frequency curves for larvae indicate a larval life of 3 1/4–4 1/4 years. Growth rate, reflected by change in total length, was constant throughout the year for each age group. Sex ratio of larvalI. gagei was 1♂: 1.02♀. Metamorphosis is initiated in early September and is completed between early February and mid March. Adult 1. gagei spawn between mid April and early May. The number of oocytes ranged from 820–2485 between 95–150 mm total length. The maximum gonadosomic ratio in males was 17.1 and 26.3% in females.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00005566
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  • 7
    Electronic Resource
    Electronic Resource
    Shower Meteoroids: Constraints From Interplanetary Dust Particles And Leonid Meteors (2000)
    Springer
    Earth, moon and planets 88 (2000), S. 35-58 
    Details
    ISSN: 1573-0794
    Keywords: Chemistry ; interplanetary dust particles (IDPs) ; Leonids ; meteor trails ; meteoroids ; meteors ; structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The cometary Leonid meteoroids represent a size range in between largest carbon-richIDPs and the smallest CI meteorites. Their dustball structure and chemistry offer anopportunity to constrain hierarchical dust accretion inferred from petrologic studies ofaggregate and cluster IDPs. The Leonid shower meteoroids of known ``comet ejection''ages provide an opportunity to study space weathering of cometary dust over periodsof up to several hundred years. The meteors and aggregate and cluster IDPs displaycontinuous thermal modification of organics and volatile element (Na, K-bearing phases), that occur as discrete minerals and amorphous solids each different response during kinetically controlled ablation. Leonid meteoroids are not excessively Na-rich. The occurrences of Leonid meteors can now be accurate predicted and combined withknowledge better models for the settling rates, collections of surviving dust becomea comet nucleus-sampling mission.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1013862627781
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  • 8
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    [Perspective] Molecular sieves for gas separation (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2016-07-08
    Description: Separation and purification are critical industrial processes for separating components of chemical mixtures, and these processes account for about half of industrial energy usage (1). Gas mixtures of compounds with very similar physical properties are particularly difficult to separate. On pages 137 and 141 of this issue, Cadiau et al. (2) and Cui et al. (3), respectively, show that microporous materials can be designed to have high adsorption capacity and selectivity for particular hydrocarbons, enabling energy-efficient separation. Author: Jerry Y. S. Lin
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    [Perspective] How to break down crystalline cellulose (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2016-05-27
    Description: Biomass-degrading microorganisms use lytic polysaccharide monooxygenase (LPMO) enzymes to help digest cellulose, chitin, and starch. By cleaving otherwise inaccessible crystalline cellulose chains, these enzymes provide access to hydrolytic enzymes. LPMOs are of interest to biotechnology because efficient depolymerization of cellulose is a major bottleneck for the production of biologically based chemicals and fuels. On page 1098 of this issue, Kracher et al. (1) compare LPMO-reducing substrates in fungi from different taxonomic groups and lifestyles, based on both biochemical and genomic evidence. The results provide insights into reductive activation of LPMO that are important for developing more efficient industrial enzymes for lignocellulose biorefineries. Author: Angel T. Martínez
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    [Editors' Choice] Engineering open structures using DNA (2016)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2016-03-25
    Description: Author: Marc S. Lavine
    Keywords: Chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 11
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    Genomics. Gene duplication and evolution (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-08-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lynch, Michael -- New York, N.Y. -- Science. 2002 Aug 9;297(5583):945-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Indiana University, Bloomington, IN 47405, USA. mlynch@bio.indiana.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12169715" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Caenorhabditis elegans/genetics ; Chromosomes/genetics ; Chromosomes, Human/genetics ; *Gene Duplication ; Gene Rearrangement ; Gene Silencing ; *Genes, Duplicate ; *Genome, Human ; Genomics ; Humans ; Mutation ; Selection, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 12
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    Primate origins meeting. New fossils and a glimpse of evolution (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-01-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moffat, Anne Simon -- New York, N.Y. -- Science. 2002 Jan 25;295(5555):613-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11809953" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Color Perception ; Feeding Behavior ; Female ; *Fossils ; Haplorhini ; Male ; Plant Leaves ; *Primates/anatomy & histology ; Skeleton
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 13
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    Hybridization and the evolution of reef coral diversity (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-06-18
    Description: Hundreds of coral species coexist sympatrically on reefs, reproducing in mass-spawning events where hybridization appears common. In the Caribbean, DNA sequence data from all three sympatric Acropora corals show that mass spawning does not erode species barriers. Species A. cervicornis and A. palmata are distinct at two nuclear loci or share ancestral alleles. Morphotypes historically given the name Acropora prolifera are entirely F(1) hybrids of these two species, showing morphologies that depend on which species provides the egg for hybridization. Although selection limits the evolutionary potential of hybrids, F(1) individuals can reproduce asexually and form long-lived, potentially immortal hybrids with unique morphologies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vollmer, Steven V -- Palumbi, Stephen R -- New York, N.Y. -- Science. 2002 Jun 14;296(5575):2023-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA. svollmer@oeb.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12065836" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bayes Theorem ; *Biological Evolution ; Calmodulin/genetics ; Caribbean Region ; Cnidaria/anatomy & histology/*classification/*genetics/physiology ; Collagen/genetics ; DNA, Mitochondrial/genetics ; *Ecosystem ; Environment ; *Genetic Variation ; Haplotypes ; *Hybridization, Genetic ; Introns ; Likelihood Functions ; Polymorphism, Genetic ; Reproduction ; Reproduction, Asexual ; Sequence Analysis, DNA ; Species Specificity
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Patent law. Natural substances and patentable inventions (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Demaine, Linda J -- Fellmeth, Aaron X -- New York, N.Y. -- Science. 2003 May 30;300(5624):1375-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RAND, Santa Monica, CA 90401, USA. demaine@rand.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775825" target="_blank"〉PubMed〈/a〉
    Keywords: Aluminum Oxide ; Chemical Phenomena ; Chemistry ; Natural Science Disciplines ; Patents as Topic/*legislation & jurisprudence ; Plant Extracts ; Plant Roots ; Titanium ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 15
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    Disrupted timing of discontinuous but not continuous movements by cerebellar lesions (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-31
    Description: Patients with cerebellar damage are known to exhibit deficits in the temporal control of movements. We report that these deficits are restricted to discontinuous movements. Cerebellar patients exhibited no deficit in temporal variability when producing continuous, rhythmic movements. We hypothesize that the temporal properties of continuous movements are emergent and reflect the operation of other control parameters not associated with the cerebellum. In contrast, discontinuous movements require an explicit representation of the temporal goal, a function of the cerebellum. The requirement for explicit temporal representation provides a parsimonious account of cerebellar involvement in a range of tasks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spencer, Rebecca M C -- Zelaznik, Howard N -- Diedrichsen, Jorn -- Ivry, Richard B -- NS17778/NS/NINDS NIH HHS/ -- NS30256/NS/NINDS NIH HHS/ -- NS40813/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2003 May 30;300(5624):1437-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of California, Berkeley, 3210 Tolman Hall #1650, Berkeley, CA 94720, USA. rspencer@socrates.berkeley.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775842" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Cerebellar Diseases/*physiopathology ; Cerebellum/physiology/*physiopathology ; Female ; Humans ; Male ; Middle Aged ; *Motor Activity ; Movement ; *Psychomotor Performance ; Spinocerebellar Degenerations/*physiopathology ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    A green algal apicoplast ancestor (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Funes, Soledad -- Davidson, Edgar -- Reyes-Prieto, Adrian -- Magallon, Susana -- Herion, Pascal -- King, Michael P -- Gonzalez-Halphen, Diego -- HL59646/HL/NHLBI NIH HHS/ -- TW01176/TW/FIC NIH HHS/ -- New York, N.Y. -- Science. 2002 Dec 13;298(5601):2155.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Fisiologia Celular, Universidad Nacional Autonoma de Mexico (UNAM), 04510 D.F., Mexico.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12481129" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apicomplexa/enzymology/*genetics/ultrastructure ; *Biological Evolution ; Cell Nucleus/genetics ; Chlamydomonas reinhardtii/enzymology/genetics ; Chlorophyta/enzymology/*genetics ; Cloning, Molecular ; DNA, Mitochondrial/genetics ; Electron Transport Complex IV/chemistry/*genetics ; *Gene Transfer, Horizontal ; Genes ; Genes, Protozoan ; Molecular Sequence Data ; Phylogeny ; Plastids/*genetics ; Symbiosis ; Toxoplasma/enzymology/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 17
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    Sustaining fisheries yields over evolutionary time scales (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-07-06
    Description: Fishery management plans ignore the potential for evolutionary change in harvestable biomass. We subjected populations of an exploited fish (Menidia menidia) to large, small, or random size-selective harvest of adults over four generations. Harvested biomass evolved rapidly in directions counter to the size-dependent force of fishing mortality. Large-harvested populations initially produced the highest catch but quickly evolved a lower yield than controls. Small-harvested populations did the reverse. These shifts were caused by selection of genotypes with slower or faster rates of growth. Management tools that preserve natural genetic variation are necessary for long-term sustainable yield.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Conover, David O -- Munch, Stephan B -- New York, N.Y. -- Science. 2002 Jul 5;297(5578):94-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Marine Sciences Research Center, State University of New York, Stony Brook, NY 11794-5000, USA. dconover@notes.cc.sunysb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12098697" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Biomass ; Body Constitution ; Body Weight ; Conservation of Natural Resources ; *Fisheries ; Fishes/anatomy & histology/*genetics/*growth & development ; Genetic Variation ; Population Dynamics ; Regression Analysis ; *Selection, Genetic ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Evolution. Little else but parasites (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, J K M -- New York, N.Y. -- Science. 2003 Mar 14;299(5613):1680-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Disease and Stress Biology, John Innes Centre, Norwich, NR4 7UH, UK. james.brown@bbsrc.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12637729" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Basidiomycota/genetics/*pathogenicity/physiology ; *Biological Evolution ; Flax/genetics/*microbiology/physiology ; Genes, Fungal ; Genes, Plant ; *Genetic Variation ; Models, Genetic ; Plant Diseases/*microbiology ; Reproduction ; Spores, Fungal ; Virulence/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 19
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    Loren Rieseberg profile. No garden-variety biologist (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, Kathryn -- New York, N.Y. -- Science. 2003 Nov 28;302(5650):1499.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14645825" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; *Biological Evolution ; Desert Climate ; Ecosystem ; Environment ; Genes, Plant ; Helianthus/*genetics/growth & development/physiology ; History, 20th Century ; History, 21st Century ; *Hybridization, Genetic ; Mutation ; Phenotype ; Sodium Chloride/pharmacology ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 20
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    Infectious disease. Siberia's deadly stalker emerges from the shadows (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-04-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2002 Apr 26;296(5568):642-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11976423" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Antibodies, Viral/analysis ; Cerebral Cortex/pathology ; Cerebrospinal Fluid/virology ; Disease Outbreaks ; Encephalitis, Herpes Simplex/epidemiology ; Encephalomyelitis/ethnology/*etiology/pathology/virology ; Female ; Genetic Predisposition to Disease ; Herpesviridae/immunology/isolation & purification ; Herpesviridae Infections/ethnology/pathology/virology ; Humans ; Male ; Population Surveillance ; Rural Health ; Siberia/epidemiology ; Virus Diseases/ethnology/pathology/virology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Adult-onset primary open-angle glaucoma caused by mutations in optineurin (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-02-09
    Description: Primary open-angle glaucoma (POAG) affects 33 million individuals worldwide and is a leading cause of blindness. In a study of 54 families with autosomal dominantly inherited adult-onset POAG, we identified the causative gene on chromosome 10p14 and designated it OPTN (for "optineurin"). Sequence alterations in OPTN were found in 16.7% of families with hereditary POAG, including individuals with normal intraocular pressure. The OPTN gene codes for a conserved 66-kilodalton protein of unknown function that has been implicated in the tumor necrosis factor-alpha signaling pathway and that interacts with diverse proteins including Huntingtin, Ras-associated protein RAB8, and transcription factor IIIA. Optineurin is expressed in trabecular meshwork, nonpigmented ciliary epithelium, retina, and brain, and we speculate that it plays a neuroprotective role.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rezaie, Tayebeh -- Child, Anne -- Hitchings, Roger -- Brice, Glen -- Miller, Lauri -- Coca-Prados, Miguel -- Heon, Elise -- Krupin, Theodore -- Ritch, Robert -- Kreutzer, Donald -- Crick, R Pitts -- Sarfarazi, Mansoor -- EY-09947/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 2002 Feb 8;295(5557):1077-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Ophthalmic Genetics Laboratory, Surgical Research Center, Department of Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11834836" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Alternative Splicing ; Amino Acid Sequence ; Brain/metabolism ; Chromosome Mapping ; Chromosomes, Human, Pair 10/genetics ; Ciliary Body/metabolism ; Exons ; Eye Proteins/analysis/chemistry/*genetics/physiology ; Female ; Glaucoma, Open-Angle/*genetics ; Golgi Apparatus/chemistry ; Heterozygote ; Humans ; Intraocular Pressure ; Male ; Middle Aged ; *Mutation ; *Mutation, Missense ; Nerve Tissue Proteins/analysis/chemistry/*genetics/physiology ; Ocular Hypertension/genetics ; Pedigree ; Polymorphism, Single-Stranded Conformational ; Retina/metabolism ; Trabecular Meshwork/metabolism ; *Transcription Factor TFIIIA ; Zinc Fingers
    Print ISSN: 0036-8075
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    Lateralized cognitive processes and lateralized task control in the human brain (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-07-19
    Description: The principles underlying human hemispheric specialization are poorly understood. We used functional magnetic resonance imaging of letter and visuospatial decision tasks with identical word stimuli to address two unresolved problems. First, hemispheric specialization depended on the nature of the task rather than on the nature of the stimulus. Second, analysis of frontal candidate regions for cognitive control showed increased coupling between left anterior cingulate cortex (ACC) and left inferior frontal gyrus during letter decisions, whereas right ACC showed enhanced coupling with right parietal areas during visuospatial decisions. Cognitive control is thus localized in the same hemisphere as task execution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stephan, Klaas E -- Marshall, John C -- Friston, Karl J -- Rowe, James B -- Ritzl, Afra -- Zilles, Karl -- Fink, Gereon R -- 077029/Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2003 Jul 18;301(5631):384-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Medicine (IME), Research Centre Julich, 52425 Julich, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12869765" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain/*physiology ; Brain Mapping ; *Cognition ; Functional Laterality ; Gyrus Cinguli/physiology ; Humans ; *Language ; Magnetic Resonance Imaging ; Male ; Parietal Lobe/physiology ; Prefrontal Cortex/physiology ; Space Perception ; Visual Perception
    Print ISSN: 0036-8075
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  • 23
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    Comment on "Obesity and the environment: where do we go from here?" (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Butte, Nancy F -- Ellis, Kenneth J -- New York, N.Y. -- Science. 2003 Aug 1;301(5633):598; author reply 598.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, Baylor College of Medicine, 1100 Bates Street, Houston, TX 77030, USA. nbutte@bcm.tmc.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12893926" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Body Mass Index ; Child ; Diet ; *Energy Intake ; *Energy Metabolism ; *Exercise ; Feeding Behavior ; Humans ; Life Style ; *Obesity/epidemiology/prevention & control ; United States/epidemiology ; *Weight Gain
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  • 24
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    Society of Vertebrate Paleontology meeting. Mammal menagerie (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, Erik -- New York, N.Y. -- Science. 2003 Nov 14;302(5648):1142.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14615511" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Constitution ; Diet ; *Dogs/anatomy & histology ; Jaw/anatomy & histology ; Paleontology ; *Predatory Behavior ; Time
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    Psychology. Evolution of the social brain (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dunbar, Robin -- New York, N.Y. -- Science. 2003 Nov 14;302(5648):1160-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, University of Liverpool, Liverpool L69 7ZB, UK. rimd@liv.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14615522" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Wild ; *Biological Evolution ; *Cognition ; Endorphins/physiology ; Female ; Grooming ; Hierarchy, Social ; Language ; Neocortex/anatomy & histology/physiology ; Papio/physiology/*psychology ; *Reproduction ; *Social Behavior ; Social Dominance ; Social Support ; Vocalization, Animal
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    Rapid evolution of egg size in captive salmon (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-03-15
    Description: Captive breeding and release programs, widely used to supplement populations of declining species, minimize juvenile mortality to achieve rapid population growth. However, raising animals in benign environments may promote traits that are adaptive in captivity but maladaptive in nature. In chinook salmon, hatchery rearing relaxes natural selection favoring large eggs, allowing fecundity selection to drive exceptionally rapid evolution of small eggs. Trends toward small eggs are also evident in natural populations heavily supplemented by hatcheries, but not in minimally supplemented populations. Unintentional selection in captivity can lead to rapid changes in critical life-history traits that may reduce the success of supplementation or reintroduction programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heath, Daniel D -- Heath, John W -- Bryden, Colleen A -- Johnson, Rachel M -- Fox, Charles W -- New York, N.Y. -- Science. 2003 Mar 14;299(5613):1738-40.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Great Lakes Institute for Environmental Research and Department of Biological Sciences, University of Windsor, 401 Sunset Avenue, Windsor, Ontario N9B 3P4, Canada. dheath@uwindsor.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12637746" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Constitution ; Body Weight ; *Breeding ; Conservation of Natural Resources ; Environment ; Female ; Fertility ; *Fisheries ; Ovum/*physiology ; Salmon/genetics/*physiology ; Selection, Genetic
    Print ISSN: 0036-8075
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    Evolution. Evolutionary danger for rainforest species (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roff, Derek -- New York, N.Y. -- Science. 2003 Jul 4;301(5629):58-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of California, Riverside, CA 92521, USA. derek.roff@ucr.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843382" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animals ; Australia ; *Biological Evolution ; Climate ; Dehydration ; Drosophila/*genetics/*physiology ; Ecosystem ; Environment ; *Genetic Variation ; *Greenhouse Effect ; Selection, Genetic ; Trees
    Print ISSN: 0036-8075
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    Separate evolutionary origins of teeth from evidence in fossil jawed vertebrates (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-02-22
    Description: Placoderms are extinct jawed fishes of the class Placodermi and are basal among jawed vertebrates. It is generally thought that teeth are absent in placoderms and that the phylogenetic origin of teeth occurred after the evolution of jaws. However, we now report the presence of tooth rows in more derived placoderms, the arthrodires. New teeth are composed of gnathostome-type dentine and develop at specific locations. Hence, it appears that these placoderm teeth develop and are regulated as in other jawed vertebrates. Because tooth development occurs only in derived forms of placoderms, we suggest that teeth evolved at least twice, through a mechanism of convergent evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, Moya Meredith -- Johanson, Zerina -- New York, N.Y. -- Science. 2003 Feb 21;299(5610):1235-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Craniofacial Development, Dental Institute, King's College London, Guy's Campus, London Bridge, London SE1 9RT, UK. moya.smith@kcl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12595693" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Dentition ; Fishes/*anatomy & histology ; *Fossils ; *Paleodontology ; Phylogeny ; *Tooth ; Western Australia
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  • 29
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    Structural dynamics of eukaryotic chromosome evolution (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-08-09
    Description: Large-scale genome sequencing is providing a comprehensive view of the complex evolutionary forces that have shaped the structure of eukaryotic chromosomes. Comparative sequence analyses reveal patterns of apparently random rearrangement interspersed with regions of extraordinarily rapid, localized genome evolution. Numerous subtle rearrangements near centromeres, telomeres, duplications, and interspersed repeats suggest hotspots for eukaryotic chromosome evolution. This localized chromosomal instability may play a role in rapidly evolving lineage-specific gene families and in fostering large-scale changes in gene order. Computational algorithms that take into account these dynamic forces along with traditional models of chromosomal rearrangement show promise for reconstructing the natural history of eukaryotic chromosomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Eichler, Evan E -- Sankoff, David -- GM58815/GM/NIGMS NIH HHS/ -- HD43569/HD/NICHD NIH HHS/ -- HG02385/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2003 Aug 8;301(5634):793-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Center for Human Genetics and Center for Computational Genomics, Case Western Reserve University School of Medicine and University Hospitals of Cleveland, Cleveland, OH 44106, USA. eee@po.cwru.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12907789" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Centromere/physiology ; Chromosome Aberrations ; *Chromosomes/genetics/physiology/ultrastructure ; Computational Biology ; DNA Transposable Elements ; Eukaryotic Cells/physiology/*ultrastructure ; Gene Duplication ; Genome ; Humans ; Recombination, Genetic ; Synteny ; Telomere/physiology
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    Infectious disease. An avian flu jumps to people (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-03-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wuethrich, Bernice -- New York, N.Y. -- Science. 2003 Mar 7;299(5612):1504.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12624244" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Birds/virology ; Chickens/virology ; Child ; China/epidemiology ; Hong Kong/epidemiology ; Humans ; Influenza A virus/genetics/immunology/*pathogenicity ; Influenza Vaccines ; Influenza in Birds/epidemiology/*virology ; Influenza, Human/*virology ; Male ; Virulence ; World Health Organization
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    The ironic politics of obesity (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nestle, Marion -- New York, N.Y. -- Science. 2003 Feb 7;299(5608):781.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12574583" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Child ; *Diet ; *Food Industry ; Humans ; Marketing ; *Nutrition Policy ; Nutritional Physiological Phenomena ; *Obesity/epidemiology/prevention & control ; Politics ; United States ; *United States Department of Agriculture
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    Evolution. Climb every mountain? (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Elena, Santiago F -- Sanjuan, Rafael -- New York, N.Y. -- Science. 2003 Dec 19;302(5653):2074-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Instituto de Biologia Molecular y Celular de Plantas, Consejo Superior de Investigaciones Cientificas-UPV, 46022 Valencia, Spain. sfelena@ibmcp.upv.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14684807" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Animals ; *Biological Evolution ; Chlamydomonas/physiology ; Darkness ; *Ecosystem ; Environment ; *Genetic Variation ; Genotype ; Light ; Mutation ; Phenotype ; Pseudomonas fluorescens/genetics/*physiology ; RNA Viruses/physiology ; Selection, Genetic
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  • 33
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    Low potential for climatic stress adaptation in a rainforest Drosophila species (2003)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2003-07-05
    Description: The ability of sensitive rainforest species to evolve in response to climate change is largely unknown. We show that the Australian tropical rainforest fly Drosophila birchii exhibits clinal variation in desiccation resistance, but the most resistant population lacks the ability to evolve further resistance even after intense selection for over 30 generations. Parent-offspring comparisons indicate low heritable variation for this trait but high levels of genetic variation for morphology. D. birchii also exhibits abundant genetic variation at microsatellite loci. The low potential for resistance evolution highlights the importance of assessing evolutionary potential in targeted ecological traits and species from threatened habitats.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffmann, A A -- Hallas, R J -- Dean, J A -- Schiffer, M -- New York, N.Y. -- Science. 2003 Jul 4;301(5629):100-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Environmental Stress and Adaptation Research, La Trobe University, Bundoora, Victoria 3086, Australia. A.Hoffmann@latrobe.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12843394" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Animals ; Australia ; *Biological Evolution ; *Climate ; Crosses, Genetic ; Dehydration ; Drosophila/*genetics/*physiology ; Ecosystem ; Environment ; Female ; *Genetic Variation ; Geography ; Inbreeding ; Male ; Microsatellite Repeats ; Selection, Genetic ; Trees
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    Optical imaging of a tactile illusion in area 3b of the primary somatosensory cortex (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-09-23
    Description: In the tactile funneling illusion, the simultaneous presentation of brief stimuli at multiple points on the skin produces a single focal sensation at the center of the stimulus pattern even when no physical stimulus occurs at that site. Consistent with the funneling percept, we show with optical imaging in area 3b of the primary somatosensory cortex (SI) that simultaneous stimulation of two fingertips produces a single focal cortical activation between the single fingertip activation regions. Thus, in contrast to traditional views of the body map, topographic representation in the SI reflects the perceived rather than the physical location of peripheral stimulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Li M -- Friedman, Robert M -- Roe, Anna W -- New York, N.Y. -- Science. 2003 Oct 31;302(5646):881-5. Epub 2003 Sep 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, Yale University School of Medicine, New Haven, CT 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14500850" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Brain Mapping ; Diagnostic Imaging ; Electrophysiology ; Female ; Fingers ; Humans ; Illusions/*physiology ; Male ; Perception/*physiology ; Physical Stimulation ; Saimiri ; Somatosensory Cortex/*physiology ; Touch/*physiology
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    Ecology and evolution. Darwin's hummingbirds (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-04-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Altshuler, Douglas L -- Clark, Christopher James -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):588-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering, California Institute of Technology, Pasadena, CA 91104, USA. doug@caltech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12714728" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beak/*anatomy & histology ; *Biological Evolution ; Birds/*anatomy & histology/physiology ; Body Constitution ; Dominica ; Ecosystem ; Feeding Behavior ; Female ; Flowers/*anatomy & histology ; Heliconiaceae/*anatomy & histology ; Male ; Pigmentation ; Saint Lucia ; *Sex Characteristics
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    Infectious diseases. Darwinian vaccines (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2003 May 30;300(5624):1363.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775815" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Communicable Disease Control ; Corynebacterium diphtheriae/pathogenicity ; Diphtheria/microbiology/prevention & control ; Diphtheria Toxin/biosynthesis ; Diphtheria Toxoid ; Humans ; Immunization Programs ; *Vaccines ; *Virulence
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    Infectious diseases. Taming pathogens: an elegant idea, but does it work? (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2003-05-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2003 May 30;300(5624):1362-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12775814" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Cholera/epidemiology/microbiology/transmission ; Communicable Disease Control ; Communicable Diseases/*microbiology/*parasitology/transmission/virology ; Humans ; Influenza, Human/epidemiology/transmission/virology ; *Models, Biological ; Myxoma virus/pathogenicity ; Sanitation ; Vibrio cholerae/pathogenicity ; *Virulence
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolution. The benefits of allocating sex (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-24
    Description: Organisms allocate resources to male and female offspring in a process called sex allocation. In a Perspective, Stuart West and colleagues discuss what sex allocation tells us about evolution by natural selection and how sex allocation can be applied to understanding the mating structure of parasitic protozoans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉West, S A -- Herre, E A -- Sheldon, B C -- New York, N.Y. -- Science. 2000 Oct 13;290(5490):288-90.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Cell, Animal and Population Biology, University of Edinburgh, Edinburgh EH9 3JT, UK. stu.west@ed.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11183376" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animals ; *Biological Evolution ; Female ; Inbreeding ; Insects/physiology ; Male ; Plasmodium/physiology ; Selection, Genetic ; *Sex Characteristics ; *Sex Ratio ; Sexual Behavior, Animal
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    Parasitology. Close encounters: good, bad, and ugly (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-24
    Description: Microbiologists often focus on one organism and its relationship to its host at one point in time. But viewed in light of evolution, host-parasite relationships range from deadly to helpful, depending on the communication between them. At a meeting here last month of virologists, bacteriologists, parasitologists, and molecular biologists--each dealing with different microorganisms in distinct ways--researchers lamented that evolution is often considered outside the bailiwick of microbiologists, particularly those studying infectious diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 2000 Nov 24;290(5496):1491-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11185502" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteria/genetics/*pathogenicity ; Bacterial Infections/microbiology ; *Bacterial Physiological Phenomena ; *Biological Evolution ; Escherichia coli/genetics/pathogenicity/physiology ; *Host-Parasite Interactions ; Humans ; Leishmania/pathogenicity/*physiology ; Leishmaniasis/parasitology ; Mutation ; Rhizobium/physiology ; *Symbiosis ; Virulence
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    Educators have hard choices; nationally, not just in Kansas (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-08-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉White, S -- Meier, W -- Lovell, F -- McCoy, A -- Robinove, C J -- Creelan, T F -- Brun, R -- Gordon, I -- MacWest, R -- Collier, I E -- Gish, D T -- Hartmann, W K -- Behe, M J -- New York, N.Y. -- Science. 2000 Aug 11;289(5481):869-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10960317" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/education ; Religion and Science ; Science/*education
    Print ISSN: 0036-8075
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    Ecology. Food fight drives evolution (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-08-12
    Description: On page 441 of this issue, evolutionary biologists showcase the purple-throated carib hummingbird as a rare example of food supply--in this case, flower shape--spurring the evolution of a sexual dimorphism, or a feature that differs between males and females. On St. Lucia, an island in the West Indies, female caribs sport bills a third longer and twice as curved as those of their male counterparts--one of the most extreme bill differences between the sexes in any hummingbird species. In the paper, the researchers link these "whoppingly dimorphic bills" to the specific flowers the male and female caribs frequent.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brown, K -- New York, N.Y. -- Science. 2000 Jul 21;289(5478):369-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10939937" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beak/*anatomy & histology ; *Biological Evolution ; Birds/*anatomy & histology/physiology ; Ecosystem ; Feeding Behavior ; Female ; Male ; Plant Structures/anatomy & histology ; Saint Lucia ; *Sex Characteristics ; Zingiberales/*anatomy & histology
    Print ISSN: 0036-8075
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    Hominid ancestors may have knuckle walked (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-04-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, E -- New York, N.Y. -- Science. 2000 Mar 24;287(5461):2131-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10744527" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bone and Bones/anatomy & histology ; Forearm/anatomy & histology ; Gorilla gorilla/anatomy & histology/physiology ; Hominidae/*anatomy & histology/physiology ; Humans ; Pan troglodytes/anatomy & histology/physiology ; *Walking ; Wrist Joint/*anatomy & histology
    Print ISSN: 0036-8075
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    Neuroimaging evidence for dissociable forms of repetition priming (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-02-26
    Description: Repetition priming has been characterized neurophysiologically as a decreased response following stimulus repetition. The present study used event-related functional magnetic resonance imaging to investigate whether this repetition-related response is sensitive to stimulus familiarity. A right fusiform region exhibited an attenuated response to the repetition of familiar stimuli, both faces and symbols, but exhibited an enhanced response to the repetition of unfamiliar stimuli. Moreover, both repetition effects were modulated by lag between successive presentations. Further experiments replicated the interactions between repetition, familiarity, and lag and demonstrated the persistence of these effects over multiple repetitions. Priming-related responses are therefore not unitary but depend on the presence or absence of preexisting stimulus representations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Henson, R -- Shallice, T -- Dolan, R -- New York, N.Y. -- Science. 2000 Feb 18;287(5456):1269-72.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wellcome Department of Cognitive Neurology, Institute of Neurology, Institute of Cognitive Neuroscience and Department of Psychology, University College London, London WC1E 6BT, UK. r.henson@ucl.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10678834" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Brain Mapping ; Face ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Memory/*physiology ; *Pattern Recognition, Visual ; Regression Analysis ; Temporal Lobe/*physiology ; Time Factors
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    Accommodating phylogenetic uncertainty in evolutionary studies (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-07-06
    Description: Many evolutionary studies use comparisons across species to detect evidence of natural selection and to examine the rate of character evolution. Statistical analyses in these studies are usually performed by means of a species phylogeny to accommodate the effects of shared evolutionary history. The phylogeny is usually treated as known without error; this assumption is problematic because inferred phylogenies are subject to both stochastic and systematic errors. We describe methods for accommodating phylogenetic uncertainty in evolutionary studies by means of Bayesian inference. The methods are computationally intensive but general enough to be applied in most comparative evolutionary studies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huelsenbeck, J P -- Rannala, B -- Masly, J P -- R01-HG01988/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2000 Jun 30;288(5475):2349-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, University of Rochester, Rochester, NY 14627, USA. johnh@brahms.biology.rochester.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10875916" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Aphids/genetics ; Base Sequence ; Bayes Theorem ; *Biological Evolution ; DNA, Mitochondrial/genetics ; *Evolution, Molecular ; Markov Chains ; Monte Carlo Method ; *Phylogeny ; Probability ; Stochastic Processes
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    Dissociating the role of the dorsolateral prefrontal and anterior cingulate cortex in cognitive control (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-06-10
    Description: Theories of the regulation of cognition suggest a system with two necessary components: one to implement control and another to monitor performance and signal when adjustments in control are needed. Event-related functional magnetic resonance imaging and a task-switching version of the Stroop task were used to examine whether these components of cognitive control have distinct neural bases in the human brain. A double dissociation was found. During task preparation, the left dorsolateral prefrontal cortex (Brodmann's area 9) was more active for color naming than for word reading, consistent with a role in the implementation of control. In contrast, the anterior cingulate cortex (Brodmann's areas 24 and 32) was more active when responding to incongruent stimuli, consistent with a role in performance monitoring.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacDonald, A W 3rd -- Cohen, J D -- Stenger, V A -- Carter, C S -- New York, N.Y. -- Science. 2000 Jun 9;288(5472):1835-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15260, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10846167" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Brain Mapping ; Cerebral Cortex/*physiology ; Cognition/*physiology ; Color ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Prefrontal Cortex/*physiology ; Reading
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    Perspectives: evolutionary biology. Limbless tetrapods and snakes with legs (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Greene, H W -- Cundall, D -- New York, N.Y. -- Science. 2000 Mar 17;287(5460):1939-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14850-2701, USA. hwg5@cornell.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10755945" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Fossils ; Hindlimb/anatomy & histology ; Lizards/anatomy & histology/classification ; Phylogeny ; Skull/anatomy & histology ; *Snakes/anatomy & histology/classification ; Terminology as Topic
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    Genetics. Was Lamarck just a little bit right? (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-04-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balter, M -- New York, N.Y. -- Science. 2000 Apr 7;288(5463):38.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10766632" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *DNA Methylation ; France ; *Gene Expression Regulation ; Gene Silencing ; Hair Color/genetics ; History, 18th Century ; History, 19th Century ; Mice ; *Mutation ; Plants/genetics
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    Neuroscience. A critical issue for the brain (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-07-15
    Description: The notion that there is a "critical period" for learning in the first 3 years of life has cropped up widely in media reports recently. But although critical periods have been well documented for the development of sensory systems in the brain, especially vision, researchers differ over whether they exist for the development of the brain functions that underlie complex learning and thinking skills. Scientists do agree, however, that where critical periods do exist, they are not sharply defined, nor are they unique to the first 3 years of life, as has been conveyed in the media. The message should give hope to adults who may not learn with the ease of early childhood, but can still do it.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 2000 Jun 23;288(5474):2116-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10896576" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aging/*physiology ; Animals ; Brain/anatomy & histology/*growth & development/*physiology ; Child ; Child, Preschool ; Humans ; Infant ; Intelligence ; Language ; *Learning ; Object Attachment ; Synapses/physiology ; Thinking ; Vision, Ocular
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    Essays on science and society. Not (just) in Kansas anymore (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scott, E C -- New York, N.Y. -- Science. 2000 May 5;288(5467):813-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Center for Science Education, El Cerrito, CA 94530-2810, USA. scott@natcenscied.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10809650" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/education ; Kansas ; Religion and Science ; Science/*education ; United States
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    Benefits of membership (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-02-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Danchin, E -- Wagner, R H -- New York, N.Y. -- Science. 2000 Feb 4;287(5454):804-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10691553" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; *Biological Evolution ; Cooperative Behavior ; Social Behavior
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    Predictability of the UK variant Creutzfeldt-Jakob disease epidemic (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-10-27
    Description: Back-calculation analysis of the variant Creutzfeldt-Jakob disease epidemic in the United Kingdom is used to estimate the number of infected individuals and future disease incidence. The model assumes a hazard of infection proportional to the incidence of bovine spongiform encephalopathy in the United Kingdom and accounts for precautionary control measures and very wide ranges of incubation periods. The model indicates that current case data are compatible with numbers of infections ranging from a few hundred to several millions. In the latter case, the model suggests that the mean incubation period must be well beyond the human life-span, resulting in disease epidemics of at most several thousand cases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉d'Aignaux, J N -- Cousens, S N -- Smith, P G -- New York, N.Y. -- Science. 2001 Nov 23;294(5547):1729-31. Epub 2001 Oct 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉London School of Hygiene and Tropical Medicine, Infectious Disease Epidemiology Unit, Keppel Street, London WC1E 7HT, UK. jerome.huillard@lshtm.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11679631" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Age Distribution ; Age Factors ; Age of Onset ; Animals ; Cattle ; Child ; Child, Preschool ; Creutzfeldt-Jakob Syndrome/*epidemiology/genetics/transmission ; Diet ; Disease Susceptibility ; Encephalopathy, Bovine Spongiform/epidemiology ; Genetic Variation/*genetics ; Genotype ; Great Britain/epidemiology ; Humans ; Incidence ; Infant ; Likelihood Functions ; Methionine/genetics ; Mice ; Models, Biological ; Prevalence ; Prions/administration & dosage/genetics
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    An apolipoprotein influencing triglycerides in humans and mice revealed by comparative sequencing (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-10-06
    Description: Comparison of genomic DNA sequences from human and mouse revealed a new apolipoprotein (APO) gene (APOAV) located proximal to the well-characterized APOAI/CIII/AIV gene cluster on human 11q23. Mice expressing a human APOAV transgene showed a decrease in plasma triglyceride concentrations to one-third of those in control mice; conversely, knockout mice lacking Apoav had four times as much plasma triglycerides as controls. In humans, single nucleotide polymorphisms (SNPs) across the APOAV locus were found to be significantly associated with plasma triglyceride levels in two independent studies. These findings indicate that APOAV is an important determinant of plasma triglyceride levels, a major risk factor for coronary artery disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennacchio, L A -- Olivier, M -- Hubacek, J A -- Cohen, J C -- Cox, D R -- Fruchart, J C -- Krauss, R M -- Rubin, E M -- HL-18574/HL/NHLBI NIH HHS/ -- HL-53917/HL/NHLBI NIH HHS/ -- HL66681/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2001 Oct 5;294(5540):169-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Genome Sciences Department, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11588264" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Alleles ; Animals ; Apolipoprotein C-III ; Apolipoproteins/*genetics/*physiology ; Apolipoproteins A ; Apolipoproteins C/blood ; Chromosomes, Human, Pair 11 ; Cohort Studies ; Computational Biology ; Coronary Disease/etiology/genetics ; Expressed Sequence Tags ; Female ; Haplotypes ; Humans ; Linkage Disequilibrium ; Lipoproteins, VLDL/blood ; Male ; Mice ; Mice, Knockout ; Mice, Transgenic ; Multigene Family ; Open Reading Frames ; Polymorphism, Single Nucleotide ; Risk Factors ; Sequence Analysis, DNA ; Transgenes ; Triglycerides/*blood
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    Molecular evolution. Genome duplications: the stuff of evolution? (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-12-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 2001 Dec 21;294(5551):2458-60.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11752552" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Evolution, Molecular ; Fishes/genetics ; Gene Dosage ; *Gene Duplication ; *Genome ; Genome, Human ; Genomics ; Humans ; Invertebrates/genetics ; Multigene Family ; Polyploidy ; Vertebrates/genetics
    Print ISSN: 0036-8075
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    Priorities in HIV prevention (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Behrman, A J -- New York, N.Y. -- Science. 2001 Jan 5;291(5501):45-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11192004" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Child ; Female ; HIV Infections/epidemiology/*prevention & control ; *Health Priorities ; Heterosexuality ; Homosexuality, Male ; Humans ; Male ; Prevalence ; Risk Factors ; United States/epidemiology
    Print ISSN: 0036-8075
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    Evolutionary biology. Molecular approach to mushroom hunting (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 2001 Aug 10;293(5532):1027-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11498552" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; *Chlorophyta/chemistry/genetics ; Databases, Factual ; Fossils ; Fungal Proteins/chemistry/genetics ; *Fungi/chemistry/genetics ; *Plants/chemistry/genetics ; Sequence Analysis, Protein ; Time
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Cooperation and competition in the evolution of ATP-producing pathways (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-04-03
    Description: Heterotrophic organisms generally face a trade-off between rate and yield of adenosine triphosphate (ATP) production. This trade-off may result in an evolutionary dilemma, because cells with a higher rate but lower yield of ATP production may gain a selective advantage when competing for shared energy resources. Using an analysis of model simulations and biochemical observations, we show that ATP production with a low rate and high yield can be viewed as a form of cooperative resource use and may evolve in spatially structured environments. Furthermore, we argue that the high ATP yield of respiration may have facilitated the evolutionary transition from unicellular to undifferentiated multicellular organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pfeiffer, T -- Schuster, S -- Bonhoeffer, S -- New York, N.Y. -- Science. 2001 Apr 20;292(5516):504-7. Epub 2001 Mar 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute, Post Office Box 2543, CH-4002 Basel, Switzerland., Max Delbruck Center for Molecular Medicine, D-13092 Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11283355" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/*metabolism ; Animals ; Bacteria/growth & development/metabolism ; *Biological Evolution ; Carbohydrate Metabolism ; Dictyostelium/growth & development/metabolism ; Energy Metabolism ; *Fermentation ; Fungi/growth & development/metabolism ; Mathematics ; *Models, Biological ; Oxidation-Reduction ; Oxidative Phosphorylation ; *Oxygen Consumption ; Thermodynamics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Paleoanthropology. Skull study targets Africa-only origins (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, E -- New York, N.Y. -- Science. 2001 Jan 12;291(5502):231.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11253829" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Australia ; *Biological Evolution ; Czech Republic ; Europe ; *Fossils ; *Hominidae ; Humans ; Indonesia ; Israel ; Male ; Matched-Pair Analysis ; Skull/*anatomy & histology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Stem cell policy. An embryonic alternative (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-06-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, G -- New York, N.Y. -- Science. 2001 Jun 8;292(5523):1822.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11397926" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animal Experimentation ; Animals ; *Bioethics ; Cell Line ; *Embryo Research ; Embryo, Mammalian/*cytology ; Humans ; *Macaca mulatta ; *Research ; *Stem Cells
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Polyploidy and gender dimorphism (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brunet, J -- Liston, A -- New York, N.Y. -- Science. 2001 Feb 23;291(5508):1441.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331-2902, USA. brunetj@ava.bcc.orst.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11222849" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Genes, Plant ; Phylogeny ; *Polyploidy ; Solanaceae/*genetics/*physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolution. Evolutionary pulse found, but complexity as well (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, R A -- New York, N.Y. -- Science. 2001 Sep 28;293(5539):2377.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11577219" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Eastern ; Animals ; *Artiodactyla ; *Biological Evolution ; *Climate ; *Fossils ; *Hominidae ; Humans ; Pakistan
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Rapid diversification of a species-rich genus of neotropical rain forest trees (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-22
    Description: Species richness in the tropics has been attributed to the gradual accumulation of species over a long geological period in stable equatorial climates or, conversely, to speciation in response to late Tertiary geological events and unstable Pleistocene climates. DNA sequence data are consistent with recent diversification in Inga, a species-rich neotropical tree genus. We estimate that speciation was concentrated in the past 10 million years, with many species arising as recently as 2 million years ago. This coincides with the more recent major uplifts of the Andes, the bridging of the Isthmus of Panama, and Quaternary glacial cycles. Inga may be representative of other species-rich neotropical genera with rapid growth and reproduction, which contribute substantially to species numbers in the world's most diverse flora.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richardson, J E -- Pennington, R T -- Pennington, T D -- Hollingsworth, P M -- New York, N.Y. -- Science. 2001 Sep 21;293(5538):2242-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Royal Botanic Garden Edinburgh, 20a Inverleith Row, Edinburgh EH3 5LR, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11567135" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Central America ; DNA, Chloroplast/genetics ; DNA, Plant/genetics ; DNA, Ribosomal Spacer/genetics ; *Ecosystem ; *Fabaceae/classification/genetics/growth & development ; Fossils ; Genes, Plant ; Phylogeny ; *Plants, Medicinal ; South America ; Time ; *Trees/classification/genetics/growth & development ; *Tropical Climate
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolution. Nota bene. Wolbachia and wasp evolution (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, O -- New York, N.Y. -- Science. 2001 Mar 2;291(5509):1719.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11253199" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Female ; Fertility ; Male ; Reproduction ; Species Specificity ; *Symbiosis ; Wasps/*microbiology/*physiology ; Wolbachia/*physiology
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    A novel mechanism for evolution? (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-10-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adler, M J -- New York, N.Y. -- Science. 2001 Oct 5;294(5540):53-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11589230" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Gene Expression Regulation ; Humans ; Mutation ; Phenotype ; RNA, Messenger/*genetics/metabolism ; Selection, Genetic
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Effects of marine reserves on adjacent fisheries (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-12-01
    Description: Marine reserves have been widely promoted as conservation and fishery management tools. There are robust demonstrations of conservation benefits, but fishery benefits remain controversial. We show that marine reserves in Florida (United States) and St. Lucia have enhanced adjacent fisheries. Within 5 years of creation, a network of five small reserves in St. Lucia increased adjacent catches of artisanal fishers by between 46 and 90%, depending on the type of gear the fishers used. In Florida, reserve zones in the Merritt Island National Wildlife Refuge have supplied increasing numbers of world record-sized fish to adjacent recreational fisheries since the 1970s. Our study confirms theoretical predictions that marine reserves can play a key role in supporting fisheries.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, C M -- Bohnsack, J A -- Gell, F -- Hawkins, J P -- Goodridge, R -- New York, N.Y. -- Science. 2001 Nov 30;294(5548):1920-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA. cr10@york.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11729316" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Aged, 80 and over ; Animals ; Biomass ; Cnidaria/physiology ; Conservation of Natural Resources/*methods ; *Ecosystem ; Fisheries/*methods/statistics & numerical data ; *Fishes/physiology ; Florida ; Humans ; Middle Aged ; Saint Lucia ; Time Factors
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Phenotypic plasticity in the interactions and evolution of species (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-10-13
    Description: When individuals of two species interact, they can adjust their phenotypes in response to their respective partner, be they antagonists or mutualists. The reciprocal phenotypic change between individuals of interacting species can reflect an evolutionary response to spatial and temporal variation in species interactions and ecologically result in the structuring of food chains. The evolution of adaptive phenotypic plasticity has led to the success of organisms in novel habitats, and potentially contributes to genetic differentiation and speciation. Taken together, phenotypic responses in species interactions represent modifications that can lead to reciprocal change in ecological time, altered community patterns, and expanded evolutionary potential of species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Agrawal, A A -- New York, N.Y. -- Science. 2001 Oct 12;294(5541):321-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Botany, University of Toronto, 25 Willcocks Street, Toronto, ON M5S 3B2, Canada. agrawal@botany.utoronto.ca〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11598291" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Ecosystem ; Environment ; Food Chain ; Genetic Variation ; Genotype ; Mutation ; *Phenotype ; Plant Physiological Phenomena ; Predatory Behavior ; Symbiosis
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    Paleoanthropology. Oldest human DNA reveals Aussie oddity (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, C -- New York, N.Y. -- Science. 2001 Jan 12;291(5502):230-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11253828" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Anthropology ; Australia ; *Biological Evolution ; DNA, Mitochondrial/*genetics/isolation & purification ; *Fossils ; Hominidae/*genetics ; Humans ; Sequence Analysis, DNA
    Print ISSN: 0036-8075
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    Medicine. Placebo-controls in short-term clinical trials of hypertension (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-06-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Al-Khatib, S M -- Califf, R M -- Hasselblad, V -- Alexander, J H -- McCrory, D C -- Sugarman, J -- New York, N.Y. -- Science. 2001 Jun 15;292(5524):2013-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Duke Clinical Research Institute, Durham, NC 27710, USA. alkha001@mc.duke.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11408643" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Antihypertensive Agents/*therapeutic use ; Bayes Theorem ; *Control Groups ; Ethics, Medical ; Humans ; Hypertension/*drug therapy ; Patient Selection ; *Placebos/adverse effects ; *Randomized Controlled Trials as Topic ; Risk Factors ; Time Factors
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    Evolutionary genomics. The ups and downs of evolution (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Normile, D -- New York, N.Y. -- Science. 2001 Dec 14;294(5550):2281-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11743182" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Breast Neoplasms/genetics ; Cichlids/genetics/physiology ; DNA Replication/genetics ; Female ; Genes, BRCA1 ; Genetic Predisposition to Disease ; *Genomics ; Humans ; Mutation ; Polymorphism, Genetic ; Rod Opsins/genetics ; Selection, Genetic
    Print ISSN: 0036-8075
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    Paleontology and evolution. The origins of modern corals (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-03-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stanley, G D Jr -- Fautin, D G -- New York, N.Y. -- Science. 2001 Mar 9;291(5510):1913-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geology, University of Montana, Missoula, MT 59812, USA. fossil@selway.umt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11245198" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Calcification, Physiologic ; *Cnidaria/anatomy & histology/growth & development ; *Fossils ; Paleontology ; Phylogeny
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    Evolution. The ancestry of whales (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rose, K D -- New York, N.Y. -- Science. 2001 Sep 21;293(5538):2216-7. Epub 2001 Sep 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program for Functional Anatomy and Evolution, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA. kdrose@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11567127" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Artiodactyla/anatomy & histology/classification ; *Biological Evolution ; Clavicle/anatomy & histology ; Femur/anatomy & histology ; Foot Bones/anatomy & histology ; Forelimb/anatomy & histology ; *Fossils ; Pakistan ; Tarsal Bones/anatomy & histology ; Tarsus, Animal/anatomy & histology ; Whales/*anatomy & histology/*classification
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolution. Tooth theory revises history of mammals (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stokstad, E -- New York, N.Y. -- Science. 2001 Jan 5;291(5501):26.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11191993" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Fossils ; *Mammals/anatomy & histology ; *Molar/anatomy & histology ; *Paleodontology
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    Science education. Creationism takes root where Europe, Asia meet (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-05-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenig, R -- New York, N.Y. -- Science. 2001 May 18;292(5520):1286-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11360976" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/*education ; Islam ; *Religion and Science ; Research Personnel ; Textbooks as Topic ; Turkey
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    Evolution. The Cambrian explosion exploded? (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-07-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fortey, R -- New York, N.Y. -- Science. 2001 Jul 20;293(5529):438-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Palaeontology, The Natural History Museum, London SW7 5BD, UK. raf@nhm.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11463899" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arthropods ; *Biological Evolution ; *Crustacea ; *Fossils ; Invertebrates ; Phylogeny
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    Embryonic skulls of titanosaur sauropod dinosaurs (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-09-29
    Description: Little is known about the cranial anatomy of the taxonomically diverse and geographically widespread titanosaurs, a paucity that has hindered inferences about the genealogical history and evolutionary development of the latest sauropod dinosaurs. Newly discovered fossil eggs containing embryonic remains from the Late Cretaceous of Argentina provide the first articulated skulls of titanosaur dinosaurs. The nearly complete fetal skulls shed light on the evolution of some of the most notable cranial features of sauropod dinosaurs, including the retraction of the external nares, the forward rotation of the braincase, and the abbreviation of the infraorbital region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chiappe, L M -- Salgado, L -- Coria, R A -- New York, N.Y. -- Science. 2001 Sep 28;293(5539):2444-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Vertebrate Paleontology, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA. lchiappe@nhm.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11577234" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argentina ; *Biological Evolution ; Embryo, Nonmammalian/anatomy & histology ; *Fossils ; Nose/anatomy & histology/embryology ; Reptiles/*embryology ; Skull/anatomy & histology/*embryology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Genetics. Why evolution might not favor increased genetic variability (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-06-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chicurel, M -- New York, N.Y. -- Science. 2001 Jun 8;292(5523):1826.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11397929" target="_blank"〉PubMed〈/a〉
    Keywords: Bacteria/*genetics ; *Biological Evolution ; *Genetic Variation ; *Mutation ; Selection, Genetic ; Yeasts/*genetics
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Genetics. Can organisms speed their own evolution? (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-06-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chicurel, M -- New York, N.Y. -- Science. 2001 Jun 8;292(5523):1824-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11397928" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptation, Physiological ; Animals ; *Biological Evolution ; DNA Damage ; DNA Polymerase beta/*metabolism ; DNA, Bacterial/biosynthesis ; Escherichia coli/*genetics/physiology ; Fungal Proteins/chemistry/metabolism ; Genes, Bacterial ; Genetic Variation ; Mice ; *Mutation ; Peptide Termination Factors ; Prions/chemistry/metabolism ; SOS Response (Genetics) ; *Saccharomyces cerevisiae Proteins ; Yeasts/*genetics/growth & development/metabolism
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Functional neuroanatomical differences between adults and school-age children in the processing of single words (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-25
    Description: A critical issue in developmental cognitive neuroscience is the extent to which the functional neuroanatomy underlying task performance differs in adults and children. Direct comparisons of brain activation in the left frontal and extrastriate cortex were made in adults and children (aged 7 to 10 years) performing single-word processing tasks with visual presentation; differences were found in circumscribed frontal and extrastriate regions. Conceivably, these differences could be attributable exclusively to performance discrepancies; alternatively, maturational differences in functional neuroanatomy could exist despite similar performance. Some of the brain regions examined showed differences attributable to age independent of performance, suggesting that maturation of the pattern of regional activations for these tasks is incomplete at age 10.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schlaggar, Bradley L -- Brown, Timothy T -- Lugar, Heather M -- Visscher, Kristina M -- Miezin, Francis M -- Petersen, Steven E -- NS32979/NS/NINDS NIH HHS/ -- NS51281/NS/NINDS NIH HHS/ -- NS55582/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2002 May 24;296(5572):1476-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Washington University, St. Louis, MO 63110, USA. schlaggarb@neuro.wustl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12029136" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; *Aging ; Analysis of Variance ; Brain/anatomy & histology/*growth & development/*physiology ; Brain Mapping ; Child ; Cognition ; Female ; Frontal Lobe/anatomy & histology/growth & development/physiology ; Humans ; *Language ; *Magnetic Resonance Imaging ; Male ; *Mental Processes
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    American Association of Physical Anthropologists meeting. Humans' head start: new views of brain evolution (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, Ann -- New York, N.Y. -- Science. 2002 May 3;296(5569):835-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11988554" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthropology, Physical ; *Biological Evolution ; *Brain/anatomy & histology/growth & development ; Brain Mapping ; *Diet ; Dietary Fats ; Fatty Acids, Unsaturated/administration & dosage/physiology ; Fishes ; *Hominidae/anatomy & histology ; Humans ; Magnetic Resonance Imaging ; Pan troglodytes/anatomy & histology ; Shellfish
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    The cortical topography of tonal structures underlying Western music (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-12-14
    Description: Western tonal music relies on a formal geometric structure that determines distance relationships within a harmonic or tonal space. In functional magnetic resonance imaging experiments, we identified an area in the rostromedial prefrontal cortex that tracks activation in tonal space. Different voxels in this area exhibited selectivity for different keys. Within the same set of consistently activated voxels, the topography of tonality selectivity rearranged itself across scanning sessions. The tonality structure was thus maintained as a dynamic topography in cortical areas known to be at a nexus of cognitive, affective, and mnemonic processing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Janata, Petr -- Birk, Jeffrey L -- Van Horn, John D -- Leman, Marc -- Tillmann, Barbara -- Bharucha, Jamshed J -- P50 NS17778-18/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 2002 Dec 13;298(5601):2167-70.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth Brain Imaging Center, Dartmouth College, Hanover, NH 03755, USA. petr.janata@dartmouth.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12481131" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Auditory Cortex/anatomy & histology/physiology ; *Auditory Perception ; Brain/anatomy & histology/*physiology ; Brain Mapping ; Female ; Functional Laterality ; Humans ; Magnetic Resonance Imaging ; Male ; Memory ; Mental Processes ; Middle Aged ; Models, Neurological ; *Music ; Nerve Net/anatomy & histology/physiology ; Neural Networks (Computer) ; Pitch Perception ; Prefrontal Cortex/anatomy & histology/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    The ecology of genetically modified mosquitoes (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-10-05
    Description: Ecological and population biology issues constitute serious challenges to the application of genetically modified mosquitos (GMM) for disease control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scott, Thomas W -- Takken, Willem -- Knols, Bart G J -- Boete, Christophe -- New York, N.Y. -- Science. 2002 Oct 4;298(5591):117-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Entomology, University of California, Davis, CA 95616, USA. twscott@ucdavis.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12364785" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aedes/*genetics/physiology/virology ; Animals ; Anopheles/*genetics/parasitology/physiology ; Biological Evolution ; Child ; Dengue/prevention & control/transmission ; Ecology ; Environment ; Genetics, Population ; Guidelines as Topic ; Humans ; Insect Vectors/*genetics/parasitology/physiology/virology ; Insecticides ; Malaria/prevention & control/transmission ; *Organisms, Genetically Modified ; Pest Control, Biological ; Population Density ; Reproduction ; Transformation, Genetic ; Transgenes
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Is face processing species-specific during the first year of life? (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-23
    Description: Between 6 and 10 months of age, the infant's ability to discriminate among native speech sounds improves, whereas the same ability to discriminate among foreign speech sounds decreases. Our study aimed to determine whether this perceptual narrowing is unique to language or might also apply to face processing. We tested discrimination of human and monkey faces by 6-month-olds, 9-month-olds, and adults, using the visual paired-comparison procedure. Only the youngest group showed discrimination between individuals of both species; older infants and adults only showed evidence of discrimination of their own species. These results suggest that the "perceptual narrowing" phenomenon may represent a more general change in neural networks involved in early cognition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pascalis, Olivier -- de Haan, Michelle -- Nelson, Charles A -- New York, N.Y. -- Science. 2002 May 17;296(5571):1321-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, The University of Sheffield, Sheffield S10 2TP, UK. o.pascalis@sheffield.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12016317" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; *Aging ; Animals ; Evoked Potentials ; *Face ; Female ; Humans ; Infant ; Macaca fascicularis ; Male ; *Pattern Recognition, Visual ; *Recognition (Psychology) ; Species Specificity ; Speech Perception
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Television viewing and aggressive behavior during adolescence and adulthood (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-03-30
    Description: Television viewing and aggressive behavior were assessed over a 17-year interval in a community sample of 707 individuals. There was a significant association between the amount of time spent watching television during adolescence and early adulthood and the likelihood of subsequent aggressive acts against others. This association remained significant after previous aggressive behavior, childhood neglect, family income, neighborhood violence, parental education, and psychiatric disorders were controlled statistically.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, Jeffrey G -- Cohen, Patricia -- Smailes, Elizabeth M -- Kasen, Stephanie -- Brook, Judith S -- DA-03188/DA/NIDA NIH HHS/ -- MH-36971/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2002 Mar 29;295(5564):2468-71.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Columbia University and the New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA. jjohnso@pi.cpmc.columbia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11923542" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; *Aggression ; Child Abuse ; Educational Status ; Female ; Humans ; Income ; Interviews as Topic ; Longitudinal Studies ; Male ; Mental Disorders ; Sex Characteristics ; Socioeconomic Factors ; Surveys and Questionnaires ; *Television ; Theft ; Time Factors ; *Violence
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Sauropod trackways, evolution, and behavior (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-06-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Day, Julia J -- Upchurch, Paul -- Norman, David B -- Gale, Andrew S -- Powell, H Philip -- New York, N.Y. -- Science. 2002 May 31;296(5573):1659.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK. jday00@esc.cam.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12040187" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Behavior, Animal ; *Biological Evolution ; Body Constitution ; *Dinosaurs/anatomy & histology ; Fossils ; Geologic Sediments ; Great Britain
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    Signal-driven computations in speech processing (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-08-31
    Description: Learning a language requires both statistical computations to identify words in speech and algebraic-like computations to discover higher level (grammatical) structure. Here we show that these computations can be influenced by subtle cues in the speech signal. After a short familiarization to a continuous speech stream, adult listeners are able to segment it using powerful statistics, but they fail to extract the structural regularities included in the stream even when the familiarization is greatly extended. With the introduction of subliminal segmentation cues, however, these regularities can be rapidly captured.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pena, Marcela -- Bonatti, Luca L -- Nespor, Marina -- Mehler, Jacques -- New York, N.Y. -- Science. 2002 Oct 18;298(5593):604-7. Epub 2002 Aug 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉International School for Advanced Studies, Trieste, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12202684" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Cues ; France ; Humans ; *Language ; *Learning ; *Linguistics ; Phonetics ; Probability ; *Speech Perception ; Statistics as Topic ; Vocabulary
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    Evolutionary biology. Timing is everything for Wolbachia hosts (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2002 May 10;296(5570):999-1000.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12004092" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Cell Division ; Chromosomes/physiology ; Embryo, Nonmammalian/physiology ; Female ; Fertilization ; Male ; Motion Pictures as Topic ; Nuclear Envelope/physiology ; Reproduction ; Sex Determination Processes ; Sex Ratio ; Time Factors ; Wasps/embryology/*microbiology/*physiology ; Wolbachia/*physiology ; Zygote/*physiology
    Print ISSN: 0036-8075
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    Evolutionary biology. Darwin's avian muses continue to evolve (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-04-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zimmer, Carl -- New York, N.Y. -- Science. 2002 Apr 26;296(5568):633-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11976414" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beak/anatomy & histology ; *Biological Evolution ; Climate ; Ecuador ; Female ; Food ; Genetic Variation ; Genetics, Population ; Hybridization, Genetic ; Male ; Seeds ; *Selection, Genetic ; Sexual Behavior, Animal ; *Songbirds/anatomy & histology/genetics/physiology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolution of developmental diversity. Evo-devo devotees eye ocular origins and more (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2002 May 10;296(5570):1010-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12004102" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Cartilage/growth & development/metabolism ; Chloroplasts/physiology ; Chondrocytes/physiology ; *Developmental Biology ; *Diet ; Dinoflagellida/genetics/physiology ; *Eye ; Eye Proteins ; Folic Acid/administration & dosage ; Homeodomain Proteins/genetics/physiology ; Humans ; Light ; Mice ; Mice, Transgenic ; *Mutation ; Paired Box Transcription Factors ; Planarians/genetics/physiology ; Regeneration ; Repressor Proteins
    Print ISSN: 0036-8075
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    Primate evolution. Gene activity clocks brain's fast evolution (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-04-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2002 Apr 12;296(5566):233-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11951006" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Blood ; Brain/*metabolism ; *Gene Expression ; Gene Expression Profiling ; Haplorhini/*genetics ; Hominidae/*genetics ; Humans ; Liver/metabolism ; Macaca/genetics ; Oligonucleotide Array Sequence Analysis ; Pan troglodytes/genetics ; Pongo pygmaeus/genetics ; Species Specificity
    Print ISSN: 0036-8075
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    Evolutionary biology. Finches adapt rapidly to new homes (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-01-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pennisi, Elizabeth -- New York, N.Y. -- Science. 2002 Jan 11;295(5553):249-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11786614" target="_blank"〉PubMed〈/a〉
    Keywords: *Adaptation, Physiological ; Alabama ; Animals ; *Biological Evolution ; Ecosystem ; Environment ; Female ; Male ; Montana ; Oviposition ; *Reproduction ; *Sex Characteristics ; Songbirds/anatomy & histology/growth & development/*physiology
    Print ISSN: 0036-8075
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    2002 Ocean Sciences Meeting. Mussels on the move (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-03-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Greene, Katie -- New York, N.Y. -- Science. 2002 Mar 8;295(5561):1821-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11884734" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Bivalvia/genetics/*physiology ; Bone and Bones ; DNA, Mitochondrial/analysis/genetics ; *Ecosystem ; *Geologic Sediments ; Oceans and Seas ; Phylogeny ; *Seawater ; Whales
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolution of nitrogen fixation (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-02-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Towe, Kenneth M -- New York, N.Y. -- Science. 2002 Feb 1;295(5556):798-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11824449" target="_blank"〉PubMed〈/a〉
    Keywords: Anaerobiosis ; Archaea/*metabolism ; Bacteria, Anaerobic/*metabolism ; *Biological Evolution ; Cyanobacteria/*metabolism ; *Nitrogen Fixation ; Oxidation-Reduction ; Oxygen/metabolism ; Quaternary Ammonium Compounds/metabolism
    Print ISSN: 0036-8075
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    Plants compared to animals: the broadest comparative study of development (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-02-23
    Description: If the last common ancestor of plants and animals was unicellular, comparison of the developmental mechanisms of plants and animals would show that development was independently invented in each lineage. And if this is the case, comparison of plant and animal developmental processes would give us a truly comparative study of development, which comparisons merely among animals, or merely among plants, do not-because in each of these lineages, the fundamental mechanisms are similar by descent. Evidence from studies of developmental mechanisms in both kingdoms, and data from genome-sequencing projects, indicate that development evolved independently in the lineages leading to plants and to animals.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meyerowitz, Elliot M -- New York, N.Y. -- Science. 2002 Feb 22;295(5559):1482-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biology 156-29, California Institute of Technology, Pasadena, CA 91125, USA. meyerow@its.caltech.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11859185" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arabidopsis/genetics/growth & development ; *Biological Evolution ; *Body Patterning ; Chromatin/*physiology ; Drosophila/genetics/growth & development ; Gene Expression Regulation, Developmental ; Gene Transfer, Horizontal ; Genes, Homeobox ; Genes, Plant ; Genome ; Genome, Plant ; *Plant Development ; Plants/genetics ; *Signal Transduction
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Truncating neurotrypsin mutation in autosomal recessive nonsyndromic mental retardation (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-12-03
    Description: A 4-base pair deletion in the neuronal serine protease neurotrypsin gene was associated with autosomal recessive nonsyndromic mental retardation (MR). In situ hybridization experiments on human fetal brains showed that neurotrypsin was highly expressed in brain structures involved in learning and memory. Immuno-electron microscopy on adult human brain sections revealed that neurotrypsin is located in presynaptic nerve endings, particularly over the presynaptic membrane lining the synaptic cleft. These findings suggest that neurotrypsin-mediated proteolysis is required for normal synaptic function and suggest potential insights into the pathophysiological bases of mental retardation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Molinari, Florence -- Rio, Marlene -- Meskenaite, Virginia -- Encha-Razavi, Ferechte -- Auge, Joelle -- Bacq, Delphine -- Briault, Sylvain -- Vekemans, Michel -- Munnich, Arnold -- Attie-Bitach, Tania -- Sonderegger, Peter -- Colleaux, Laurence -- New York, N.Y. -- Science. 2002 Nov 29;298(5599):1779-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Unite de Recherches sur les Handicaps Genetiques de l'Enfant, INSERM U-393, et Departement de Genetique, Hopital Necker-Enfants Malades, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12459588" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Brain/embryology/*metabolism ; Female ; Fetus/metabolism ; Gene Expression ; Genes, Recessive ; Humans ; Immunohistochemistry ; Intellectual Disability/*genetics/metabolism ; Male ; Microsatellite Repeats ; Microscopy, Immunoelectron ; Pedigree ; *Sequence Deletion ; Serine Endopeptidases/chemistry/*genetics/metabolism ; Spinal Cord/embryology/metabolism ; Synapses/*metabolism/ultrastructure ; Synaptic Membranes/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    European patents. Tough stance on stem cell, DNA claims (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-08-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2002 Aug 2;297(5582):754-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12161624" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Biotechnology/*economics/legislation & jurisprudence ; Cloning, Organism/economics/legislation & jurisprudence ; *DNA/genetics ; Embryo, Mammalian/cytology ; Europe ; Genes ; Humans ; Patents as Topic/*legislation & jurisprudence ; *Stem Cells/metabolism ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
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    Sperm-female coevolution in Drosophila (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-11-09
    Description: Rapid evolution of reproductive traits has been attributed to sexual selection arising from interaction between the sexes. However, little is known about the nature of selection driving the evolution of interacting sex-specific phenotypes. Using populations of Drosophila melanogaster selected for divergent sperm length or female sperm-storage organ length, we experimentally show that male fertilization success is determined by an interaction between sperm and female morphology. In addition, sperm length evolution occurred as a correlated response to selection on the female reproductive tract. Giant sperm tails are the cellular equivalent of the peacock's tail, having evolved because females evolved reproductive tracts that selectively bias paternity in favor of males with longer sperm.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Gary T -- Pitnick, Scott -- New York, N.Y. -- Science. 2002 Nov 8;298(5596):1230-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Syracuse University, 108 College Place, Syracuse, NY 13244, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12424377" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Copulation ; Drosophila melanogaster/*anatomy & histology/genetics/*physiology ; Female ; Fertilization ; Genitalia, Female/anatomy & histology/physiology ; Linkage Disequilibrium ; Male ; Selection, Genetic ; Sexual Behavior, Animal ; Sperm Tail/ultrastructure ; Spermatozoa/*cytology/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
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    Natural iron isotope variations in human blood (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-03-16
    Description: Isotopic analysis of human blood and liver and muscle tissue indicates that each individual bears a long-term iron (Fe) isotope signature in the blood. Blood and tissue differ slightly in isotopic composition and are depleted by up to 2.6 per mil in 56Fe relative to 54Fe when compared to dietary Fe. The 56Fe/54Fe isotope ratio in the blood of males is, on average, lower by 0.3 per mil than that of females. These results suggest that Fe isotope effects in the blood reflect differences in intestinal Fe absorption between individuals and genotypes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walczyk, Thomas -- von Blanckenburg, Friedhelm -- New York, N.Y. -- Science. 2002 Mar 15;295(5562):2065-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Human Nutrition, Institute of Food Sciences, Swiss Federal Institute of Technology (ETH) Zurich, Seestrasse 72, CH-8803 Ruschlikon, Switzerland. thomas.walczyk@ilw.agrl.ethz.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11896276" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Child ; Female ; Food Analysis ; Humans ; Infant ; Intestinal Absorption ; Iron/*blood/metabolism ; Iron Isotopes/*blood/metabolism ; Iron, Dietary/administration & dosage/*metabolism ; Liver/metabolism ; Male ; Meat ; Muscles/metabolism ; Reference Values ; Sex Characteristics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Evolution. Did an impact trigger the dinosaurs' rise? (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- New York, N.Y. -- Science. 2002 May 17;296(5571):1215-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12016278" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Dinosaurs ; Ecosystem ; Ferns ; *Fossils ; Geologic Sediments/chemistry ; Iridium/analysis ; *Meteoroids ; *Minor Planets ; North America ; Pennsylvania
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
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    Heterotopic shift of epithelial-mesenchymal interactions in vertebrate jaw evolution (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-05-23
    Description: Genes involved in late specification of the mandibular arch, the source of the vertebrate jaw, are expressed with similar patterns in the oral regions of chick and lamprey embryos. However, morphological comparisons indicate that apparently orthologous homeobox genes were expressed in different subdivisions of the ectomesenchyme in the two species. Therefore, the homology and gene expression of the oral region are uncoupled during the transition from agnathan to gnathostome; we conclude that a heterotopic shift of tissue interaction was involved in the evolution of the jaw.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shigetani, Yasuyo -- Sugahara, Fumiaki -- Kawakami, Yayoi -- Murakami, Yasunori -- Hirano, Shigeki -- Kuratani, Shigeru -- New York, N.Y. -- Science. 2002 May 17;296(5571):1316-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Evolutionary Morphology, Center for Developmental Biology, RIKEN, Hyogo 650-0047, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12016315" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Body Patterning ; Bone Morphogenetic Proteins/genetics/pharmacology/physiology ; Brain/embryology/metabolism ; Chick Embryo ; Epidermis/embryology/metabolism ; Epithelium/embryology/physiology ; Fibroblast Growth Factors/genetics/pharmacology/physiology ; Gene Expression Profiling ; *Gene Expression Regulation, Developmental ; Genes, Homeobox ; Homeodomain Proteins/genetics/metabolism ; Humans ; *Jaw/anatomy & histology/embryology ; Lampreys/*embryology/genetics ; Lip/embryology/metabolism ; Mandible/anatomy & histology/*embryology ; Mesoderm/metabolism/*physiology ; Molecular Sequence Data ; Mouth/embryology/metabolism ; Neural Crest/embryology/physiology ; Phylogeny ; Transcription Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Proterozoic ocean chemistry and evolution: a bioinorganic bridge? (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-08-17
    Description: Recent data imply that for much of the Proterozoic Eon (2500 to 543 million years ago), Earth's oceans were moderately oxic at the surface and sulfidic at depth. Under these conditions, biologically important trace metals would have been scarce in most marine environments, potentially restricting the nitrogen cycle, affecting primary productivity, and limiting the ecological distribution of eukaryotic algae. Oceanic redox conditions and their bioinorganic consequences may thus help to explain observed patterns of Proterozoic evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anbar, A D -- Knoll, A H -- New York, N.Y. -- Science. 2002 Aug 16;297(5584):1137-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Earth and Environmental Sciences, University of Rochester, Rochester, NY 14627, USA. anbar@earth.rochester.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12183619" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Archaea/growth & development/metabolism ; Bacteria/growth & development/metabolism ; *Biological Evolution ; *Ecosystem ; *Eukaryota/growth & development/metabolism ; Fossils ; Geologic Sediments/chemistry ; Iron/analysis/chemistry/metabolism ; Nitrogen/analysis/chemistry/metabolism ; Oceans and Seas ; Oxidation-Reduction ; Oxygen/analysis/chemistry/metabolism ; *Seawater ; Sulfides/analysis/chemistry/metabolism ; Trace Elements/chemistry/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Psychology. The effects of media violence on society (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-03-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Craig A -- Bushman, Brad J -- New York, N.Y. -- Science. 2002 Mar 29;295(5564):2377-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, Iowa State University, Ames, IA 50011-3180, USA. caa@iastate.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11923513" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; *Aggression ; Humans ; Longitudinal Studies ; *Social Problems ; *Television ; Time Factors ; *Violence
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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