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PREHISTORIC ROAD TRIP host Emily Graslie and Sally Shelton at the South Dakota School of Mines and Technology, with fossil cycads.
PREHISTORIC ROAD TRIP host Emily Graslie and Sally Shelton at the South Dakota School of Mines and Technology, with fossil cycads.

Tiny Teeth, Fearsome Beasts

As she drives closer to the present day, Emily discovers surprising truths written in the fossil record. Meantime, scientists studying our planet's past are revealing clues about its future.

Rating: 
TVG
Length: 
56 minutes
Closed Caption: 
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