Ancient Earth: Frozen Preview
Season 50
Episode 12
About the Episode
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:
| Expires: | Runtime: 30s
Recent Episodes
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Episode 13, Season 51<br> Solar System: Wandering Worlds
Meet the surprising, oddball worlds moving around our solar system.| 53:34 -
Episode 12, Season 51<br> Solar System: Icy Worlds
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.| 53:34
Extras
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This Powerful Psychedelic May Help Treat Opioid Addiction
In recent decades, there's been renewed interest in studying ibogaine.3:28 -
Can Technology Detect Deepfakes Better Than Humans Can?
AI-generated photos are video are getting so good that it’s hard for humans to tell what’s real.7:09 -
Solar System: Strange Worlds Preview
What are the weirdest worlds in our solar system, and how did they come to be?0:30 -
Solar System: Storm Worlds Preview
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.0:30 -
What Happened to the Hole in the Ozone Layer?
In the 1980s scientists discovered a crucial part of the Earth’s atmosphere was extremely thin.3:13 -
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Legacy of the Land
Native American communities share their culture and knowledge to address climate change. -
Harvesting the Future
Ak-chin farming makes desert agriculture possible, and now, those practices help communities today.9:22 -
Megadroughts and Indigenous Voices
The Southwest is in a megadrought, but Native Americans have survived them before.7:51
