Matter: Deep in Human DNA, a Gift From the Neanderthals The 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. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:The Saturday Profile: One of Italy’s Last ‘Story Singers’ Is Briefly Left SpeechlessBrexit Will Compromise U.K. Security, Ex-Spy Chief SaysTurks Search Far-Flung Sites and Question Workers in Case of Missing JournalistPoland Ordered to Reverse Purge of Supreme CourtIn Khashoggi Case, Turkey’s Slow Drip of Leaks Puts Pressure on Saudis20 Men Convicted of Abusing Young Girls in U.K.