Denisovans, A Mysterious Form Of Ancient Humans, Are Traced to Tibet
Until now, the only Denisovan remains came from a cave in Siberia. The new find is "much more complete," one expert says.
The jawbone of a little-known form of ancient human has been discovered in western China. Scientists say these people lived as long as 150,000 years ago, and they were part of a group called Denisovans.
The Denisovans are a mystery. Up until now, their only remains — a few bone fragments and teeth — came from a cave called Denisova
