The bone tools date from more than a million years before our species, Homo sapiens, arose around 300,000 years ago.

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 ...

The Olduvai Gorge in northern Tanzania has a geology that fossil-hunters love. A river cuts through several layers of strata with four distinct beds. Bed I, the oldest, is about 2 million years old.

Olduvai stone chopping tool (made 1.8 million years ago) found in Olduvai Gorge, Tanzania, East Africa. Perhaps the best thing of all about being Director of the British Museum, and one that still ...

Olduvai stone chopping tool (made 1.8 million years ago) found in Olduvai Gorge, Tanzania, East Africa. Perhaps the best thing of all about being Director of the British Museum, and one that still ...