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Tuesday, March 10, 2015

Earliest Human Species

Discovery pushes back the origin of our genus, Homo, by half a million years.
This jawbone, shown steps from the place where it was spotted by Arizona State University grad student Chalachew Seyoum, puts the first members of the human genus Homo in the Afar region of Ethiopia half a million years earlier than previously thought. 
In a rare congruence of new evidence, two fossil jaws cast a fused beam of light on one of the darkest mysteries in human evolution: the origin of our genus Homo. The two lower jaws—one a reconstruction of a pivotal specimen found half a century ago, the other freshly plucked from the badlands of Ethiopia—point to East Africa as the birthplace of our evolutionary lineage./.../

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