31May/080
NATIONAL GEOGRAPHIC DOCUMENTARY REDRAWS HUMANS’ FAMILY TREE
By analyzing DNA from people in all regions of the world, geneticist Spencer Wells has concluded that all humans alive today are descended from a single man who lived in Africa around 60,000 years ago. Modern humans, he contends, didn't start their spread across the globe until after that time. Most archaeologists would say the exodus began 100,000Enjoy this article?
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