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  • Astronomy
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  • American Association for the Advancement of Science (AAAS)  (15)
  • 2005-2009  (10)
  • 1990-1994  (5)
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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2009-01-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2009 Jan 2;323(5910):32-5. doi: 10.1126/science.323.5910.32.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19119196" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Antarctic Regions ; Astronomy ; Australia ; *Autopsy ; Cause of Death ; Coroners and Medical Examiners ; Forensic Pathology ; Humans ; Male ; Methanol/*poisoning ; New Zealand ; Poisoning/diagnosis ; United States ; United States Government Agencies
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2006-09-09
    Beschreibung: Close-in giant planets (e.g., "hot Jupiters") are thought to form far from their host stars and migrate inward, through the terrestrial planet zone, via torques with a massive gaseous disk. Here we simulate terrestrial planet growth during and after giant planet migration. Several-Earth-mass planets also form interior to the migrating jovian planet, analogous to recently discovered "hot Earths." Very-water-rich, Earth-mass planets form from surviving material outside the giant planet's orbit, often in the habitable zone and with low orbital eccentricities. More than a third of the known systems of giant planets may harbor Earth-like planets.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Raymond, Sean N -- Mandell, Avi M -- Sigurdsson, Steinn -- New York, N.Y. -- Science. 2006 Sep 8;313(5792):1413-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80309-0392, USA. raymond@lasp.colorado.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16960000" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Computer Simulation ; Earth (Planet) ; *Evolution, Planetary ; Iron ; Mathematics ; *Planets ; Temperature ; *Water
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2006-12-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 2006 Dec 22;314(5807):1854-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17185569" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Astronomical Phenomena ; Astronomy ; Climate ; Fossils ; Genome ; Genome, Human ; Genomics ; Hominidae ; Humans ; Lasers ; Physical Phenomena ; Physics ; Primates/genetics ; *Science
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2005-05-10
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bohannon, John -- New York, N.Y. -- Science. 2005 May 6;308(5723):810.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15879205" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Climate ; *Computer Communication Networks ; *Computer Simulation ; *Computing Methodologies ; *Internet ; *Microcomputers ; Protein Folding ; Proteins/chemistry ; Software
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2005-08-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, Andrew -- New York, N.Y. -- Science. 2005 Aug 19;309(5738):1165.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16109854" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomy ; Biological Science Disciplines ; *Budgets ; History, 20th Century ; History, 21st Century ; Research ; United States ; United States National Aeronautics and Space ; Administration/economics/history/*organization & administration
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2005-08-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Holden, Constance -- New York, N.Y. -- Science. 2005 Aug 12;309(5737):996-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16099953" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; *Biological Evolution ; *Catholicism ; *Religion and Science ; Vatican City
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Publikationsdatum: 2005-04-30
    Beschreibung: Agents in creative enterprises are embedded in networks that inspire, support, and evaluate their work. Here, we investigate how the mechanisms by which creative teams self-assemble determine the structure of these collaboration networks. We propose a model for the self-assembly of creative teams that has its basis in three parameters: team size, the fraction of newcomers in new productions, and the tendency of incumbents to repeat previous collaborations. The model suggests that the emergence of a large connected community of practitioners can be described as a phase transition. We find that team assembly mechanisms determine both the structure of the collaboration network and team performance for teams derived from both artistic and scientific fields.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2128751/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2128751/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guimera, Roger -- Uzzi, Brian -- Spiro, Jarrett -- Amaral, Luis A Nunes -- K25 GM069546-03/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2005 Apr 29;308(5722):697-702.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL 60208, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15860629" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Behavior ; *Cooperative Behavior ; *Creativity ; *Drama ; Ecology ; Economics ; Humans ; *Models, Organizational ; Music ; Psychology, Social ; Publishing ; *Research
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2005-12-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 2005 Dec 23;310(5756):1880-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16373539" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Biology ; Brain/growth & development ; Brain Diseases/genetics ; Climate ; Earth (Planet) ; Evolution, Planetary ; Humans ; Nuclear Reactors ; Plant Development ; Plants/genetics ; Potassium Channels ; *Research ; Systems Theory
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 9
    Publikationsdatum: 2005-10-22
    Beschreibung: The onset of planet formation in protoplanetary disks is marked by the growth and crystallization of sub-micrometer-sized dust grains accompanied by dust settling toward the disk mid-plane. Here, we present infrared spectra of disks around brown dwarfs and brown dwarf candidates. We show that all three processes occur in such cool disks in a way similar or identical to that in disks around low- and intermediate-mass stars. These results indicate that the onset of planet formation extends to disks around brown dwarfs, suggesting that planet formation is a robust process occurring in most young circumstellar disks.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Apai, Daniel -- Pascucci, Ilaria -- Bouwman, Jeroen -- Natta, Antonella -- Henning, Thomas -- Dullemond, Cornelis P -- New York, N.Y. -- Science. 2005 Nov 4;310(5749):834-6. Epub 2005 Oct 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA. apai@as.arizona.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16239438" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Cosmic Dust ; Crystallization ; *Evolution, Planetary ; *Planets ; Spectrum Analysis
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2005-09-17
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stone, Richard -- New York, N.Y. -- Science. 2005 Sep 16;309(5742):1802-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16166490" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; *Biotechnology ; Iran ; *Islam ; Physical Phenomena ; Physics ; Publishing ; *Research ; *Science
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 11
    Publikationsdatum: 1994-08-05
    Beschreibung: The infrared absorption spectrum of a linear, 13-atom carbon cluster (C13) has been observed by using a supersonic cluster beam-diode laser spectrometer. Seventy-six rovibrational transitions were measured near 1809 wave numbers and assigned to an antisymmetric stretching fundamental in the 1 sigma g+ ground state of C13. This definitive structural characterization of a carbon cluster in the intermediate size range between C10 and C20 is in apparent conflict with theoretical calculations, which predict that clusters of this size should exist as planar monocyclic rings.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Giesen, T F -- Van Orden, A -- Hwang, H J -- Fellers, R S -- Provencal, R A -- Saykally, R J -- New York, N.Y. -- Science. 1994 Aug 5;265:756-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of California, Berkeley 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11539187" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Carbon/analysis/*chemistry ; Carbon Isotopes ; Chemistry Techniques, Analytical/methods ; Isomerism ; *Lasers ; Spectrophotometry, Infrared/*methods
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 12
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1993-10-15
    Beschreibung: A weak infrared absorption feature near 4141 wavenumbers (2.415 micrometers) in the spectrum of WL5, an infrared source in the rho Ophiuchus cloud complex, has been detected. It is attributed to molecular hydrogen created by irradiation and frozen in situ into water-rich ices. A second, broader absorption at 4125 wavenumbers centimeters (2.424 micrometers) is probably due to methanol in the ices. The column densities of frozen molecular hydrogen and methanol are inferred to be about 2.5 x 10(18) and 3.0 x 10(19), respectively. There is about three times more frozen molecular hydrogen than frozen carbon monoxide along this line of sight.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sandford, S A -- Allamandola, L J -- Geballe, T R -- New York, N.Y. -- Science. 1993 Oct 15;262:400-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉NASA/Ames Research Center, Moffett Field, CA 94035, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11542874" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Carbon Dioxide/chemistry ; *Extraterrestrial Environment ; Hydrogen/*chemistry ; Ice/*analysis ; Methanol/chemistry ; Spectrum Analysis ; Water/chemistry
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 13
    Publikationsdatum: 1993-04-02
    Beschreibung: Observations of a newly discovered infrared C-H stretching band indicate that interstellar diamond-like material appears to be characteristic of dense clouds. In sharp contrast, the spectral signature of dust in the diffuse interstellar medium is dominated by -CH2- and -CH3 groups. This dichotomy in the aliphatic organic component between the dense and diffuse media challenges standard assumptions about the processes occurring in, and interactions between, these two media. The ubiquity of this interstellar diamond-like material rules out models for meteoritic diamond formation in unusual circumstellar environments and implies that the formation of the diamond-like material is associated with common interstellar processes or stellar types.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Allamandola, L J -- Sandford, S A -- Tielens, A G -- Herbst, T M -- New York, N.Y. -- Science. 1993 Apr 2;260:64-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Aeronautics and Space Administration, Ames Research Center, Mountain View, CA 94035.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11538059" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Carbon/analysis ; Diamond/*chemistry ; Extraterrestrial Environment ; Hydrocarbons/analysis/chemistry ; Hydrogen/analysis ; Models, Chemical ; *Solar System
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1992-07-31
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1992 Jul 31;257(5070):620-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1496373" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Archaeology ; Astronomical Phenomena ; Astronomy ; *Conflict of Interest ; Homosexuality ; Humans ; Hypothalamus, Anterior/anatomy & histology ; Male ; Research/*standards
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 1991-03-22
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Mar 22;251(5000):1408-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006414" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomical Phenomena ; Astronomy ; Physical Phenomena ; Physics ; Publishing/*trends ; Research Support as Topic ; Science/*methods ; Sociology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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