Scientists have long debated one of the greatest mysteries of science: What caused the mass extinction of mammoths around 13,000 years ago? A look at science in the making, National ... See full summary »

Director:

Noel Dockstader

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Scientists have long debated one of the greatest mysteries of science: What caused the mass extinction of mammoths around 13,000 years ago? A look at science in the making, National Geographic follows a team as they assemble one theory for what might have happened to the mammoths, which reigned over the landscapes of North America for more than 1 million years. Could the clues point to the biggest cosmic impact humans have ever witnessed?

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TV-G

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Release Date:

7 October 2007 (USA) See more »

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