NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Homo habilis hammerstone tool discovered at the Olduvia Gorge, Tanzania, dating to between 1.85 to 1.6 million years ago. H. habilis is thought to have lived approximately 2 to 1.6 million years ago in East Africa. It had a brain size just less than half that of modern humans. The name Homo habilis means 'handy man', adopted because the species used primitive stone tools.
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