News From the Field
Newfound Ancient African Megadroughts May Have Driven the Evolution of Humans and Fish
October 8, 2007
From 135,000 to 90,000 years ago, tropical Africa had megadroughts more extreme and widespread than any previously known for that region, according to new research. Learning that now-lush tropical Africa was an arid scrubland during the early Late Pleistocene provides new insights into humans' migration out of Africa and the evolution of fishes in Africa's Great Lakes.
University of Arizona
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