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Ancient Earth: Frozen

Season 50 Episode 12 | 53m 46s

700 million years ago, Earth was a giant snowball cloaked in ice from pole to pole. How did life manage to hold on through this deadly deep freeze, find creative ways to bounce back, and thrive in the dramatically different world that emerged?

Aired: 10/10/23 | Expires: 12/01/23
National Corporate funding for NOVA is provided by Viking Cruises. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
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