Ancient Bone's DNA Suggests New Human Ancestors

[NPR]  DNA taken from a pinkie bone at least 30,000 years old is hinting at the existence of a previously unknown population of ancient humans. It's just the latest example of how modern genetic techniques are transforming the world of anthropology....Anthropologist John Hawks of the University of Wisconsin, Madison says DNA evidence is changing the way anthropologists work. "It's so much more than we knew from the fossil record. It's really like discovering something for the first time," he says.  More...