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  • 1
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    Matriarchs as repositories of social knowledge in African elephants (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-04-21
    Description: Despite widespread interest in the evolution of social intelligence, little is known about how wild animals acquire and store information about social companions or whether individuals possessing enhanced social knowledge derive biological fitness benefits. Using playback experiments on African elephants (Loxodonta africana), we demonstrated that the possession of enhanced discriminatory abilities by the oldest individual in a group can influence the social knowledge of the group as a whole. These superior abilities for social discrimination may result in higher per capita reproductive success for female groups led by older individuals. Our findings imply that the removal of older, more experienced individuals, which are often targets for hunters because of their large size, could have serious consequences for endangered populations of advanced social mammals such as elephants and whales.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McComb, K -- Moss, C -- Durant, S M -- Baker, L -- Sayialel, S -- New York, N.Y. -- Science. 2001 Apr 20;292(5516):491-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Experimental Psychology, School of Biological Sciences, University of Sussex, Brighton BN1 9QG, UK. karenm@biols.susx.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11313492" target="_blank"〉PubMed〈/a〉
    Keywords: *Aging ; Animals ; *Behavior, Animal ; Biological Evolution ; Conservation of Natural Resources ; *Discrimination (Psychology) ; *Elephants/physiology ; Exploratory Behavior ; Female ; Kenya ; Reproduction ; Social Behavior ; *Vocalization, Animal
    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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  • 2
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    Epitaxial growth of diamond films on si(111) at room temperature by mass-selected low-energy c+ beams (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-24
    Description: Diamond films ( approximately 0.7 micrometer thick) have been epitaxially grown on Si(111) substrates at room temperature with mass-selected 120-electronvolt C(+) ions. The diamond reflections observed in x-ray diffraction are well localized at their predicted positions, indicating that (i) the diamond(111) and (220) planes are parallel to the Si(111) and (220), respectively; (ii) the diamond rotational spread around its (111) normal is approximately 1.7 degrees ; and (iii) the mosaic block size is approximately 150 A. The film growth is discussed in terms of subplantation-a shallow subsurface implantation model. This discovery is an important step toward diamond semiconductor devices.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robertson, J L -- Moss, S C -- Lifshitz, Y -- Kasi, S R -- Rabalais, J W -- Lempert, G D -- Rapoport, E -- New York, N.Y. -- Science. 1989 Feb 24;243(4894):1047-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17734807" target="_blank"〉PubMed〈/a〉
    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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  • 3
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    Retraction (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moss, S C -- New York, N.Y. -- Science. 1989 Jun 2;244(4908):1029-30.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17741028" target="_blank"〉PubMed〈/a〉
    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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  • 4
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    Compromised survivorship in zoo elephants (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-12-17
    Description: We analyzed data from over 4500 elephants to show that animals in European zoos have about half the median life span of conspecifics in protected populations in range countries. This discrepancy is clearest in Asian elephants; unlike African elephants in zoos, this species' infant mortality is very high (for example, twice that seen in Burmese timber camps), and its adult survivorship in zoos has not improved significantly in recent years. One risk factor for Asian zoo elephants is being moved between institutions, with early removal from the mother tending to have additional adverse effects. Another risk factor is being born into a zoo rather than being imported from the wild, with poor adult survivorship in zoo-born Asians apparently being conferred prenatally or in early infancy. We suggest stress and/or obesity as likely causes of zoo elephants' compromised survivorship.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Clubb, Ros -- Rowcliffe, Marcus -- Lee, Phyllis -- Mar, Khyne U -- Moss, Cynthia -- Mason, Georgia J -- New York, N.Y. -- Science. 2008 Dec 12;322(5908):1649. doi: 10.1126/science.1164298.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Royal Society for the Prevention of Cruelty to Animals (RSPCA), Wilberforce Way, Southwater, West Sussex, RH13 9RS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19074339" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animal Welfare ; Animals ; Animals, Wild ; *Animals, Zoo ; Asia ; *Elephants ; Female ; Kaplan-Meier Estimate ; Kenya ; *Longevity ; Mortality ; Myanmar
    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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  • 5
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    Conservation. Elephants, ivory, and trade (2010)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2010-03-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wasser, Samuel -- Poole, Joyce -- Lee, Phyllis -- Lindsay, Keith -- Dobson, Andrew -- Hart, John -- Douglas-Hamilton, Iain -- Wittemyer, George -- Granli, Petter -- Morgan, Bethan -- Gunn, Jody -- Alberts, Susan -- Beyers, Rene -- Chiyo, Patrick -- Croze, Harvey -- Estes, Richard -- Gobush, Kathleen -- Joram, Ponjoli -- Kikoti, Alfred -- Kingdon, Jonathan -- King, Lucy -- Macdonald, David -- Moss, Cynthia -- Mutayoba, Benezeth -- Njumbi, Steve -- Omondi, Patrick -- Nowak, Katarzyna -- New York, N.Y. -- Science. 2010 Mar 12;327(5971):1331-2. doi: 10.1126/science.1187811.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Washington, Seattle, WA 98195, USA. wassers@u.washington.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20223971" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Commerce/legislation & jurisprudence ; *Conservation of Natural Resources ; Crime ; *Ecosystem ; *Elephants ; *Endangered Species ; International Cooperation ; Population Dynamics ; Tanzania ; Trees ; Zambia
    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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  • 6
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    Isotopic tracking of change in diet and habitat use in african elephants (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-03-03
    Description: The carbon, nitrogen, and strontium isotope compositions of elephants in Amboseli Park, Kenya, were measured to examine changes in diet and habitat use since the 1960s. Carbon isotope ratios, which reflect the photosynthetic pathway of food plants, record a shift in diet from trees and shrubs to grass. Strontium isotope ratios, which reflect the geologic age of bedrock, document the concentration of elephants within the park. The high isotopic variability produced by behavioral and ecological shifts, if it is representative of other East African elephant populations, may complicate the use of isotopes as indicators of the source region of ivory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koch, P L -- Heisinger, J -- Moss, C -- Carlson, R W -- Fogel, M L -- Behrensmeyer, A K -- New York, N.Y. -- Science. 1995 Mar 3;267(5202):1340-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17812610" target="_blank"〉PubMed〈/a〉
    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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  • 7
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    X-ray absorption edge fine structure of potassium ions in various environments: application to frog blood cells (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-04-13
    Description: The edge spectrum is a sensitive probe of local chemistry. Edge spectra of potassium in various chemical environments were measured, and each environment gives a unique edge spectrum. Hydrated potassium has a unique spectrum that is insensitive to counterions. Comparison of the spectra shows that the chemical state of potassium in cells differs appreciably from that in aqueous solutions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, H W -- Hunter, S H -- Warburton, W K -- Moss, S C -- New York, N.Y. -- Science. 1979 Apr 13;204(4389):191-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/311948" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anura ; Erythrocytes/*analysis ; Oxygen/blood ; Potassium/*blood ; Rana pipiens ; Solutions ; Spectrum Analysis ; Water ; X-Rays
    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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