DNA from 4,500-year-old Ethiopian reveals surprise about ancestry of Africans

DNA from 4,500-year-old Ethiopian reveals surprise about ancestry of Africans. DNA from a man who lived in Ethiopia about 4,500 years ago is prompting scientists to rethink the history of human migration in Africa. Until now, the conventional wisdom had been that the first groups of modern humans left Africa roughly 70,000 years ago, stopping […]
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