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New Discoveries Fundamentally Change the Picture of Human Evolution in Africa

Archeologists had assumed that many of the innovations and skills that make Homo sapiens unique evolved in groups living by the coast before spreading inland. Predictable marine resources like shell fish and a more forgiving climate may have allowed more early humans in these areas to thrive. Plus a diet rich in sea food, which contains omega-3 fatty acids that are important for brain growth, may also have played a role in the evolution of the brain and human behavior. However, new discoveries 600 kilometers (about 370 miles) inland in the southern Kalahari Desert contradict that view, and a new study suggests that early modern humans living in this region did not lag behind their counterparts living on the coast.

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