Examining Ancient Fossils for Clues to Human Origins

Several papers published this week in the journal Science look at fossilized bones from the hands, feet, pelvis, and other parts of the prehistoric hominid Australopithecus sediba. Paleoanthropologists Lee Berger and Bernard Wood discuss what the research means for our understanding of the human family tree.

Source: http://www.npr.org/2011/09/09/140337459/examining-ancient-fossils-for-clues-to-human-origins?ft=1&f=1007

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