- Human populations are tightly interwoven The most recent common ancestor of all humanity lived just a few thousand years ago, according to a computer model of our family tree. Researchers have calculated that the mystery person, from whom everyone alive today is directly descended, probably lived around 1,500 BC in eastern Asia...
posted on 01/28/2012 2:28:05 PM PST
(FReep this FReepathon!)
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