05/22/2010 05:12 am ET Updated May 25, 2011

Climate Change And Human Evolution: Did Climate 'Make Us'?

There's a plan afoot among evolutionary scientists to launch a big new project -- to look back in time and find out how climate change over millions of years affected human evolution.

Anthropologist Rick Potts, who heads the human origins department at the Smithsonian Museum of Natural History, has been pushing the idea that "climate made us" for years.

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