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NOVA
Polar Extremes
Season 47
Episode 1
Following a trail of fossils found in all the wrong places–beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic–NOVA uncovers the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life.
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54:10
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53:11
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52:55
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53:41
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