Sunday, September 11, 2011

Human Ancestor May Put Twist in Origin Story, New Studies Say

Two-million-year-old bones—and possibly skin—from a pair of primate fossils are offering new insight into the apelike species that may have given rise to the first humans. Known as Australopithecus sediba, the ancient human ancestor was discovered in the Malapa region of South Africa in 2008 and was described for the first time last April. Now a suite of five studies, published in this week's issue of the journal Science, is delving deeper into the species' unusual mix of human and apelike traits to help refine A. sediba's place in the time line of human evolution. Read the rest of this article...

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