Several partial skeletons of the two-million-year-old species Australopithecus sediba were discovered in South Africa in 2008.
After four years of work, an international team of scientists presented results from one of the most extensive studies of an extinct hominin, or human-like animal, ever conducted.
Six research papers on the way the creature chewed and moved uncovered a complex mixture of traits. Some shared features seen in more evolved humans from the family Homo, while others were suggestive of more primitive apes.
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