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  • NOVA

NOVA | Mystery of the Megavolcano - Preview | PBS

Duration: 00:31
Program: NOVA #3312
Broadcast Date: Dec. 14, 2011

Watch as NOVA pieces together clues about a volcanic cataclysm and probes questions about human evolution and Earth's fragile ecosystems. 12/14/2011

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Post Date: December 6, 2011