NOVA

Polar Extremes Preview

Preview: Season 47 Episode 1 | 3m 19s  | Video has closed captioning.

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: 02/05/20

Rating: NR

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Problems Playing Video? | Closed Captioning

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