Evolution shapes new rules for ant behavior
In ancient Greece, the city-states that waited until their own harvest was in before attacking and destroying a rival community's crops often experienced better long-term success.
In ancient Greece, the city-states that waited until their own harvest was in before attacking and destroying a rival community's crops often experienced better long-term success.
Evolution
May 15, 2013
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Whether human or baboon, it helps to have friends. For both species, studies have shown that robust social networks lead to better health and longer lives. Now, a team of University of Pennsylvania researchers has helped ...
Plants & Animals
Oct 1, 2012
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During the breeding season, polygynous male pectoral sandpipers that sleep the least sire the most young. A team of researchers headed by Bart Kempenaers from the Max Planck Institute for Ornithology in Seewiesen has now ...
Plants & Animals
Aug 9, 2012
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The impact of hatcheries on salmon is so profound that in just one generation traits are selected that allow fish to survive and prosper in the hatchery environment, at the cost of their ability to thrive and reproduce in ...
Evolution
Dec 19, 2011
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If you are a male human, nothing puts a damper on romantic success like having your mother in tow. If you are a male northern muriqui monkey, however, mom's presence may be your best bet to find and successfully mate with ...
Plants & Animals
Nov 7, 2011
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Just as styles in sexy clothes or fashion change from year to year and culture to culture, "sexy" genes, or genes specific to sex, also change rapidly. But there is one sex-specific gene so vital, its function has remained ...
Biotechnology
Jul 15, 2010
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(PhysOrg.com) -- "Be faithful in small things because it is in them that your strength lies." Mother Teresa's words echo throughout the world. They ring particularly true in the biological kingdom among brown anole lizards, ...
Plants & Animals
Apr 5, 2010
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Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona Research Laboratory's Division ...
Evolution
Jul 29, 2009
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An emerging form of the pathogenic yeast Candida is able to complete a full sexual cycle in a test tube, even though it's missing the genes for reproduction. And it may also do so while infecting us, according to Duke University ...
Cell & Microbiology
May 24, 2009
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Do personal traits predict success in school? If so, which dimension of one's outward appearance can tell the most about academic achievement? The answers to these questions are found in a new study by researchers from the ...
Social Sciences
Apr 22, 2009
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