In between is an exciting tale of survival, movement, isolation, and conquest, most of it occurring before recorded history. Who were those first modern people in Africa? What routes did they take when they left their home continent 60,000 years ago to expand into Europe and Asia? When and how did humans reach the Americas? For decades, the only proof was found in a small number of scattered bones and artifacts2 that our ancestors left behind on their journeys. In the past 20 years, however, DNA technologies have allowed scientists to find a record of ancient human migrations in the DNA of living people. ...
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