Something Weird Happened to Men 7,000 Years Ago, And We Finally Know Why

Now this is some amazing data, and a pretty reasonable explanation.

Around 7,000 years ago – all the way back in the Neolithic – something really peculiar happened to human genetic diversity. Over the next 2,000 years, and seen across Africa, Europe and Asia, the genetic diversity of the Y chromosome collapsed, bec
— Read on www.sciencealert.com/neolithic-y-chromosome-bottleneck-warring-patrilineal-clans

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