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  • Articles  (508)
  • *Biological Evolution  (495)
  • Chemical Engineering
  • Chemistry
  • Organic Chemistry
  • 2005-2009  (508)
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  • 11
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    An Early Cretaceous heterodontosaurid dinosaur with filamentous integumentary structures (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-03-20
    Description: Ornithischia is one of the two major groups of dinosaurs, with heterodontosauridae as one of its major clades. Heterodontosauridae is characterized by small, gracile bodies and a problematic phylogenetic position. Recent phylogenetic work indicates that it represents the most basal group of all well-known ornithischians. Previous heterodontosaurid records are mainly from the Early Jurassic period (205-190 million years ago) of Africa. Here we report a new heterodontosaurid, Tianyulong confuciusi gen. et sp. nov., from the Early Cretaceous period (144-99 million years ago) of western Liaoning Province, China. Tianyulong extends the geographical distribution of heterodontosaurids to Asia and confirms the clade's previously questionable temporal range extension into the Early Cretaceous period. More surprisingly, Tianyulong bears long, singular and unbranched filamentous integumentary (outer skin) structures. This represents the first confirmed report, to our knowledge, of filamentous integumentary structures in an ornithischian dinosaur.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheng, Xiao-Ting -- You, Hai-Lu -- Xu, Xing -- Dong, Zhi-Ming -- England -- Nature. 2009 Mar 19;458(7236):333-6. doi: 10.1038/nature07856.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Shandong Tianyu Museum of Nature, Lianhuashan Road West, Pingyi, Shandong, 273300, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19295609" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; China ; Dentition ; Dinosaurs/*anatomy & histology/*classification ; Feathers/anatomy & histology ; Fossils ; History, Ancient ; Integumentary System/*anatomy & histology ; Phylogeny ; Skin/anatomy & histology ; Skull/anatomy & histology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 12
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    Global Darwin: Contempt for competition (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-11-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Todes, Daniel -- England -- Nature. 2009 Nov 5;462(7269):36-7. doi: 10.1038/462036a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of the History of Medicine at Johns Hopkins University, 1900 East Monument Street, Baltimore, Maryland 21205, USA. dtodes@jhmi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19890312" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Biological Science Disciplines/*history ; *Competitive Behavior ; Cooperative Behavior ; *Cultural Diversity ; Food Supply ; Great Britain ; History, 19th Century ; History, 20th Century ; Humans ; Literature, Modern/history ; Metaphor ; Models, Biological ; Population Density ; Russia ; Selection, Genetic
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 13
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    The pleasure and importance of printed journals (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-07-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Diederich, Francois -- England -- Nature. 2009 Jul 2;460(7251):33. doi: 10.1038/460033c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19571863" target="_blank"〉PubMed〈/a〉
    Keywords: Chemistry ; Internet ; Periodicals as Topic/*standards/*trends ; Printing/*trends ; Societies, Scientific
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 14
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    Darwin 200: A natural selection (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2009 Jan 1;457(7225):40. doi: 10.1038/457040a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19122633" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bahamas ; *Biological Evolution ; Fossils ; Geography ; Internet ; Lizards/physiology ; Photography ; *Selection, Genetic
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 15
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    When Earth greened over (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-07-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hand, Eric -- England -- Nature. 2009 Jul 9;460(7252):161. doi: 10.1038/460161a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19587733" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Carbon/metabolism ; Cell Respiration ; *Earth (Planet) ; *Ecosystem ; Fossils ; History, Ancient ; Oceans and Seas ; Oxygen/analysis/*metabolism ; Photosynthesis ; Plants/*metabolism ; Seawater/chemistry
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 16
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    Evolutionary gems of the plant world shine just as brightly (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-02-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tomescu, Alexandru M F -- England -- Nature. 2009 Feb 19;457(7232):956. doi: 10.1038/457956c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19225495" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Plant Physiological Phenomena ; *Selection, Genetic
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 17
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    Struggle to translate Darwin's view of concurrency (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-04-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kutschera, U -- England -- Nature. 2009 Apr 23;458(7241):967. doi: 10.1038/458967c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19396120" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; *Competitive Behavior ; Cooperative Behavior ; History, 19th Century ; Models, Biological ; *Selection, Genetic ; *Translating ; *Translations
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 18
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    Dutch university slashes evolution staff (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-02-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abbott, Alison -- England -- Nature. 2009 Feb 12;457(7231):772-3. doi: 10.1038/457772b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19212369" target="_blank"〉PubMed〈/a〉
    Keywords: *Biological Evolution ; Biology/education ; Netherlands ; *Personnel Downsizing ; *Universities/economics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 19
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    Lindauer's genius showed evolution in a simple experiment (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abler, William L -- England -- Nature. 2009 Jan 22;457(7228):379. doi: 10.1038/457379d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19158768" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bees/physiology ; *Biological Evolution ; History, 20th Century ; Humans
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 20
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    Evidence for an early prokaryotic endosymbiosis (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-08-21
    Description: Endosymbioses have dramatically altered eukaryotic life, but are thought to have negligibly affected prokaryotic evolution. Here, by analysing the flows of protein families, I present evidence that the double-membrane, gram-negative prokaryotes were formed as the result of a symbiosis between an ancient actinobacterium and an ancient clostridium. The resulting taxon has been extraordinarily successful, and has profoundly altered the evolution of life by providing endosymbionts necessary for the emergence of eukaryotes and by generating Earth's oxygen atmosphere. Their double-membrane architecture and the observed genome flows into them suggest a common evolutionary mechanism for their origin: an endosymbiosis between a clostridium and actinobacterium.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lake, James A -- England -- Nature. 2009 Aug 20;460(7258):967-71. doi: 10.1038/nature08183.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular, Cellular and Developmental Biology, University of California, Los Angeles, California 90095, USA. lake@mbi.ucla.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19693078" target="_blank"〉PubMed〈/a〉
    Keywords: Actinobacteria/*cytology ; *Biological Evolution ; Clostridium/*cytology ; *Endocytosis ; Eukaryotic Cells/cytology ; Gene Flow ; *Models, Biological ; Phylogeny ; Prokaryotic Cells/classification/*cytology ; *Symbiosis
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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