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Nature

Bears of the Last Frontier: Arctic Wanderers - Preview

0:30

Chris Morgan travels to the far north of Alaska to observe polar bears in early November. In spring, Morgan travels to the North Slope of the Brooks Range, where grizzlies await the roaming caribou. 7/25/2012

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Nature

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And intrepid cameraman spends a year documenting the life of a moose calf and its mother.

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Soul of the Elephant

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Nature

The 500-Pound Dinosaur Heart

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Previews of Nature168

Nature

Raising the Dinosaur Giant

Deep in a South American desert, a giant is being awakened after 101 million years of slee

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