Ancient Earth Was a Hellscape
Season 50
Episode 11
About the Episode
For millions of years, ancient Earth was a fiery hellscape of volcanic activity, totally inhospitable to life. See what our planet might have looked like before the atmosphere—a ball of rock and fire hurtling through space.
Aired:
| Expires: | Runtime: 3m 09s
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Extras
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What Happened to the Hole in the Ozone Layer?
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Legacy of the Land
Native American communities share their culture and knowledge to address climate change. -
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The Southwest is in a megadrought, but Native Americans have survived them before.7:51
