Tools Suggest Earlier Human Exit From Africa





A cache of stone tools found on the east coast of the Arabian Peninsula has reopened the critical question of when and how modern humans escaped from their ancestral homeland in eastern Africa.

The present view, based on both archaeological and genetic evidence, holds that modern humans, although they first emerged in Africa some 200,000 years ago, were hemmed in by deserts and other human species like Neanderthals and did not escape to the rest of the world until some 50,000 years ago.

An archaeological team led by Hans-Peter Uerpmann of the University of Tübingen in Germany now reports the discovery of stone tools 127,000 years old from a site called Jebel Faya in what is now the United Arab Emirates, just south of the entrance to the Persian Gulf. If the new tools were made by modern humans, as the researchers assert, then modern humans got out of Africa much earlier than believed....


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