Human Skin Depigmented More Than Once

Human skin became more pigmented in response to high UV, and less pigmented later--on independent occasions--in response to less. Steve Mirsky reports

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Penn State anthropologist Nina Jablonski talked about the evolution of human skin pigmentation at the annual meeting of the American Association for the Advancement of Science in Boston on February 16th.

Full transcript to come.

Source: http://rss.sciam.com/click.phdo?i=b967c1b2af7cf8df3cacfb81dddb4f5b

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