Bone Fragments (IMAGE)

Arizona State University

Bone Fragments

Caption

Zooarchaeological and archaeometric analyses by Arizona State University researchers on fossilized bones discovered in the Andedo drainage of the Dikika Research Project, Ethiopia, conclude that stone tools were used by human ancestors to make the mark in the lower center of the upper bone (femur) and the parallel marks on the lower (rib) bone.

Credit

Dikika Research Project

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With credit and used only with coverage of this discovery.

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