A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found in Tanzania's Olduvai Gorge site pushes back the date for ancient bone tool use by around 1 million years.
They were found in the Olduvai Gorge in East AfricaCredit: CSIC They were discovered in the Olduvai Gorge in Tanzania. It's a steep-sided ravine in the Great Rift Valley, and contains evidence of ...
Bone tool carved on an elephant humerus 1.5 million years ago. Credit: CSIC An archaeological discovery in the Olduvai Gorge in Tanzania has changed our understanding of the technological evolution of ...
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