Africa stretches across more than 11 billion square miles, from the Sahara and Sahel in the north to the mineral-resource-rich south, the endangered rainforests of the west, and the Serengeti savannas of the east. Fossils from Ethiopia tell us that the human species originated in Africa, and scholars have different theories about the journey out of Africa made by Homo sapiens some 60,000 years ago. Today, Africa is home to nearly 800 million people...
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History