Tag Archives: environmental change

Early human migrations in southern Africa

Botswana’s Okavango Delta today during the wet season (Credit: Wikimedia Commons)

A new paper in Nature uses mitochondrial DNA, specifically from the KhoeSan people of southern Africa, to suggest that anatomically modern humans developed in former wetlands about 200 ka ago in what is modern Botswana and spread from that area after 130 ka. Read about it at Earth-logs.