An Early Homo Sapiens Left Africa, Mated With Neanderthals and Went Extinct

Discovery of human genes in Neanderthals dating back 100,000 years ago changes the timeline of interspecies human mixing.

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We now know that all non-Africans bear Neanderthal DNA, and some have Denisovan DNA too. We always assumed “they” mixed with “us.” Now a new genomic analysis of a Neanderthal finger-bone found in Siberia...