Deep in Human DNA, a Gift From the Neanderthals

Long ago, Neanderthals probably infected modern humans with viruses, perhaps even an ancient form of H.I.V. But our extinct relatives also g...

Long ago, Neanderthals probably infected modern humans with viruses, perhaps even an ancient form of H.I.V. But our extinct relatives also gave us genetic defenses.

from World https://ift.tt/2yg11uX