The first confirmed arm bone of a Denisovan has been discovered in southwest China, adding another piece to the puzzle of an elusive human relative... Only a handful of physical Denisovan remains have ever been knowingly recovered, including finger bones, ribs, teeth, jawbones, some skulls, and a couple of leg bones. But now, researchers in China report they have discovered the first Denisovan radius, one of the two long bones in the forearm... a site called Bianfu Cave that contains more than 60,000 bone fragments found in several layers of sediment... The vast majority of these skeletal remains belonged to...