Genetics

Maybe We Didn't Fool Around with Neanderthals After All

Study suggests DNA similarity due to shared ancestry, not filthy, filthy caveman sex.

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When scientists discovered a few years ago that modern humans shared swaths of DNA with long-extinct Neanderthals, their best explanation was that at some point the two species must have interbred.

Now a study by scientists at the University of Cambridge has questioned this conclusion, hypothesising instead that the DNA overlap is a remnant of a common ancestor of both Neanderthals and modern humans.