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Homo abilis

Kalachao Siyum, a doctoral student at the University of Arizona, of Ethiopian origin, presents the jawbone he discovered at a site in the Afar state in Ethiopia, which dates back the first species in the human lineage to 2.8 million years. Photo: Arizona State University

A jawbone discovered in Ethiopia indicates that the human lineage began 2.8 million years ago, earlier than previously thought (video)

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