The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...
Other
May 8, 2012
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When early humans became carnivores, their higher-quality diet allowed mothers to wean babies earlier and have more children, with potentially profound effects on population dynamics and the course of human evolution, according ...
Plants & Animals
Apr 18, 2012
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Spotted salamanders exposed to contaminated roadside ponds are adapting to their toxic environments, according to a Yale paper in Scientific Reports. This study provides the first documented evidence that a vertebrate has ...
Plants & Animals
Feb 1, 2012
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(PhysOrg.com) -- Two research groups working independently have come up with two different ways to use whole-genome sequencing to follow the path bacteria take in developing resistance to anti-bacterial drugs. Such research ...
Frogs, salamanders and other amphibians may eventually have no safe haven left on the globe because of a triple threat of worsening scourges, a new study predicts.
Plants & Animals
Nov 16, 2011
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(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.
Plants & Animals
Sep 13, 2011
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(PhysOrg.com) -- Evolution is based on heredity, changes to the genetic material (mutation), and the natural selection of those organisms that are best suited to the given environmental conditions. An international team led ...
Biochemistry
Jul 19, 2011
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Over four billion years of evolution, plants and animals grew far more complex than their single-celled ancestors. But a new comparison of proteins shared across species finds that complex organisms, including humans, have ...
Evolution
May 18, 2011
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For the vast majority of plants and animals, the 'bigger is better' view of evolution may not be far off the mark, says a new broad-scale study of natural selection. Organisms with bigger bodies or faster growth rates tend ...
Evolution
Mar 7, 2011
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Scientists at Harvard University have sketched a new map of the "evolutionary labyrinth" species must traverse to reach eusociality, the rare but spectacularly successful social structure where individuals cooperate to raise ...
Evolution
Aug 25, 2010
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