Sexual Nature 1/3

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The oldest known sexual beings, a 400 million year old fish sex movie and the prehistoric turtles which were fossilised in the act of copulation. Discovery this week is strictly adults-only as we begin a three-part natural history of sex. Adam Rutherford talks to the scientists studying the world’s most revealing fossils.

(Image: Two carettocheylid turtles, fossilised in mating position. Credit: The Royal Belgian Institute of Natural Sciences)

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18 minutes

Last on

Sun 10 Feb 2013 01:32 GMT
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