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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主播大秀 World Service Archive
This programme was restored as part of the World Service archive project
Space
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A pair of scientific sleuths answer your perplexing questions. Ask them anything!
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Discovery
Explorations in the world of science.
