What Caused the Dinosaurs to Go Extinct?
Season 50
Episode 15
About the Episode
The asteroid released the equivalent of 10-billion nuclear bombs worth of energy when it struck Earth. The impact started a chain of events that wiped out 75% of all plants and animals at the time.
Aired:
| Expires: | Runtime: 1m 50s
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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 -
