Out of Africa
The out-of-Africa theory, evidence that all non-Africans had a common ancestor
The out-of-Africa theory, evidence that all non-Africans had a common ancestor. New evidence taken from DNA of people all around the world appears to show that all non-African populations had a common ancestor less than 100,000 years ago. Also in the programme, why climate change could have been the driving force for human evolution and how turtles use the earth's magnetic field for navigation. Presenter: Martin Redfern.
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大象传媒 World Service Archive
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Discovery
Explorations in the world of science.
