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Tuesday, November 10, 2009 |
Tuesday, November 10, 2009 |
Photo: Human Evolution Speeding Up, Study SaysThe pace of change accelerated about 40,000 years ago and then picked up even more with the advent of agriculture about 10,000 years ago, the study says. Image courtesy Jane Ades, NHGRI
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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