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Mammals Evolve Faster in Hot Weather: Study

Faster metabolism thought to be why

By Ambreen Ali,  Newser User

Posted Jun 24, 2009 2:44 PM CDT

(Newser) – Evolution happens faster in warmer climates, a new study finds. Researchers found that DNA changes more frequently among mammals in the species-rich tropics than among comparable species elsewhere, the BBC reports. Scientists believe the germ cells that become sperm and eggs divide more often in...   Read full story »

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