(Phys.org)—Indiana University researchers have found evidence that a species of songbird that recently colonized an urban environment exhibits less stress and bolder behavior as compared to counterparts living in the forest. ...
Plants & Animals
Dec 3, 2012
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Up to ten per cent of the active genes of an organism that has survived 80 million years without sex are foreign, a new study from the University of Cambridge and Imperial College London reveals. The asexual organism, the ...
Biotechnology
Nov 15, 2012
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Scientists from the Wildlife Conservation Society, the American Museum of Natural History, City University of New York, and other organizations have published the first range-wide genetic analysis of the bowhead whale using ...
Evolution
Oct 19, 2012
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An evolutionary biologist at the University of Manchester, working with scientists in the US, has found compelling evidence that parts of the brain can evolve independently from each other. It's hoped the findings will significantly ...
Evolution
Sep 26, 2012
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(Phys.org)—The origin of Cerataspis monstrosa has been a mystery as deep as the ocean waters it hails from for more than 180 years. For nearly two centuries, researchers have tried to track down the larva that has shown ...
Plants & Animals
Aug 27, 2012
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Scientists have discovered that poxviruses, which are responsible for smallpox and other diseases, can adapt to defeat different host antiviral defenses by quickly and temporarily producing multiple copies of a gene that ...
Cell & Microbiology
Aug 16, 2012
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The American paddlefish -- known for its bizarre, protruding snout and eggs harvested for caviar -- duplicated its entire genome about 42 million years ago, according to a new study published in the journal Genome Biology ...
Biotechnology
Aug 7, 2012
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Human diversity in Africa is greater than any place else on Earth. Differing food sources, geographies, diseases and climates offered many targets for natural selection to exert powerful forces on Africans to change and adapt ...
Biotechnology
Jul 26, 2012
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The rate at which the rabies virus evolves in bats may depend heavily upon the ecological traits of its hosts, according to researchers at the University of Georgia, the U.S. Centers for Disease Control and Prevention and ...
Plants & Animals
May 18, 2012
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The turtle is a closer relative of crocodiles and birds than of lizards and snakes, according to researchers who claim to have solved an age-old riddle in animal evolution.
Plants & Animals
May 16, 2012
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