Tuesday, April 29, 2008

Humans Nearly Went Extinct


After nearly going extinct 150,000 years ago, humankind split into small groups—living in isolation for nearly a hundred thousand years before "reuniting" and migrating out of Africa, a new gene study says. At one point our species may have been down to as few as 2,000 individuals, probably due to climate change—a longstanding theory bolstered by the new findings.

The research fills a gap in our understanding of what was happening in Africa before humans first left the continent.

"The assumption has always been that the original population [in sub-Saharan Africa] was very small but probably a single population," said Spencer Wells, head of the Genographic Project, which oversaw the study.

"Turns out, that is not the case." Continue via:

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