Small bands of Homo sapiens made a few failed forays leaving our home continent before the species finally managed to launch a major dispersal out of Africa roughly 50,000 years ago, going first into Europe and Asia and eventually the rest of the world.
So why was this migration successful after the prior ones were not?
New research is offering insight. It documents how human hunter-gatherers in Africa began about 70,000 years ago to embrace a greater diversity of habitats such as thick forests and arid deserts, acquiring an adaptability useful for tackling the wide range of conditions awaiting beyond the continent.
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