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Polar Extremes Preview

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

Aired 02/05/2020

NOVA

Polar Extremes Preview

Preview: Season 47 Episode 1 | 3m 19sVideo has Closed Captions

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

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 02/05/2020

National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

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National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

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