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Science Bulletins: Most Complete "Lucy" Fossil Found

A team of scientists led by Ethiopian paleoanthropologist Zeresenay Alemseged has found a 3.3 million-year-old fossil of a three-year-old child. It was discovered in sandstone in Dikika, Ethiopia, a region of the Great Rift Valley. The find is the most complete skeleton yet of "Lucy's" species, Australopithecus afarensis, which is an ancestor of modern humans.The upper body bones have apelike features, which suggest that Australopithecus afarensis may have moved through trees. The lower body bones have humanlike features, which suggest that it also walked on land. This mosaic of features shows that this species was an important transition in human evolution.
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