Episode

Discovery

BBC World Service

Science & Medicine

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Science & Medicine 33

Explorations in the world of science.

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Discovery: Sexual Nature 2/3

February 11th, 2013

Episode 241 of 564 episodes

Sex is one of Nature’s great forces of change. Yet it is one of life’s great mysteries. Adam Rutherford investigates how and why living things first invented sex about 1.5 billion years ago. He begins by exploring why so many animals and plants have carried on doing it, given that sex has some big disadvantages compared to asexual reproduction.

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