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Polar Extremes

Season 47 Episode 1

About the Episode

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.

Aired: 02/04/20 | Expires: 12/31/27 | Runtime: 1hr 52m 46s