How often did humans breed with Neanderthals?

It’s long been known that many modern humans have around 2% Neanderthal in their DNA. However, scientists don’t have an exact answer for how it got there. James brings in a paper that gets closer to an answer by suggesting our ancestors got it on with Neanderthals more often than we thought.

Check out the original paper by Fernando Villanea and Joshua Schraiber here and the Popular Science article here.

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