A dental trait found in the Xiahe Denisovan jawbone as well as in some ancient and modern human populations now provides a rare opportunity to track the geographical reach and perhaps even the final fate of the Denisovans.
Puzzling skull discovery may point to previously unknown human ancestor nationalgeographic.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nationalgeographic.com Daily Mail and Mail on Sunday newspapers.