by Charles Q. Choi
The major gateway for modern humans out of Africa may have been Egypt, a new genetic analysis suggests.
This finding may help scientists reconstruct how humans evolved as they wandered across the globe, the researchers added.
Modern humans first arose about 200,000 years ago in Africa south of the Sahara. When and how the modern human lineage crossed the Sahara and dispersed from Africa has long been controversial.
Previous research suggested the exodus from Africa started between 70,000 and 40,000 years ago. However, a recent study hinted that modern humans might have begun their march across the globe as early as 130,000 years ago, and continued their expansion out of Africa in multiple waves.
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