Ancient Earth May Have Had Red Oceans
Season 50
Episode 11
About the Episode
How did oxygen escape from the oceans to form Earth’s atmosphere and create breathable air? Rust played a critical role in the process.
Aired:
| Expires: | Runtime: 3m 34s
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Extras
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Why Do Comets Have Tails?
As comets cross the invisible boundary known as the ice line, their ice starts turning into gas.0:55 -
This Tiny Moon Is a Volcanic Powerhouse
Io’s intense volcanic activity defies all expectations.2:45 -
How a Walnut-Shaped Moon Help Shape Saturn’s Rings
For millions of years, a tiny moon has made a significant impact on the structure of Saturn’s rings.2:35 -
Venus: The Planet With Battery Acid Clouds
This is what it would be like to walk on the surface of Venus.3:27 -
Hurricanes Are Getting More Destructive
Recent hurricanes blow away records for destruction, costing over a trillion dollars in 20 years.4:15 -
Why is Haumea Shaped Like an Egg?
Most objects with a radius over 200 miles are spherical, but Haumea is an exception.2:30 -
Sir Arthur C. Clarke's Vision of the Computer-Dominated Future
Watch this interview with Sir Arthur C. Clarke for The Mind Machine (1978.)1:39 -
Building Stuff: Boost It! Preview
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.0:30 -
How Medieval Armorers Made Knights Bulletproof
Knights and firearms clashed on the battlefield for over 200 years.2:15 -
