Resetting humanity’s clock

Some time in humanity’s past, a small group of Homo sapiens migrated out of Africa before spreading out to every possible corner of the Earth. All the women of that group carried DNA inherited from just one woman, commonly known as mitochondrial Eve, whose DNA was inherited by all humans alive today. But the exact timing of this migration is not clear, and it has sparked debate among geneticists. Now, new research published in Current Biology may help calm both sides.

Fossil DNA used to reset humanity’s clock,  Ars Technica, 28 March 2013.

Image credit: Dongyi Liu

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