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
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Extras
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Building Stuff: Change It! Preview
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.0:30 -
Creating a Robotic Double Dutch Machine
Blending innovation and culture, engineers bring a robotic Double Dutch machine to life.5:08 -
Building Stuff: Reach It! Preview
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.0:30 -
Could Mars Have a Ring Around It One Day?
The moon Phobos has a mysterious origin but a certain expiration date.2:16 -
Cameras Capture Earthbound Meteorite
Some large meteorites survive their descent through our atmosphere and land on Earth.1:39 -
This Moon May Have the Ingredients for Life
The ocean beneath Europa’s icy shell might be an ideal environment for life.2:14 -
Could This Icy Moon’s Ocean Support Life?
Hydrothermal vents in Enceladus’ ocean may hold the promise of life.1:21 -
Enceladus: A Frozen Moon With Explosive Eruptions
Enceladus’ small size and icy surface is no limitation to its extreme volcanism.1:56 -
How the Martian Atmosphere Helped Nasa’s Rovers Restore Energy
Martian dust devils may have helped NASA’s rovers restore power during mission.2:59 -
Why Do Comets Have Tails?
As comets cross the invisible boundary known as the ice line, their ice starts turning into gas.0:55
