The Catastrophe That Killed 90% Of Earth’s Species
Season 50
Episode 14
About the Episode
252 million years ago, the most devastating mass extinction of all time wiped out around 90% of all species on Earth. The culprit? Liquid magma beneath Pangea’s northern surface that split open the crust and tore apart the landscape, spewing curtains of lava and fire.
Aired:
| Expires: | Runtime: 1m 34s
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Extras
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Campi Flegrei: Italy’s Underground Super Volcano
In Italy hundreds of thousands of people are living directly on top of an active volcano.3:43 -
Is the Human Brain Actually Two Minds?
Severing the connection between the two halves of the brain reveals how the hemispheres function.5:17 -
Is Pain Made in the Brain?
This experiment shows how the brain can interpret — and misinterpret— pain.3:40 -
A Hidden Cause of Sinkholes Is Lurking Underground
About 40% of the U.S. is susceptible to sinkholes.2:21 -
The Mysterious Illness That Befell Eiffel Tower Construction Workers
Building the massive Eiffel tower on the bank of the Seine River posed more than one challenge.2:50 -
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The Birth of Artificial Intelligence
The origins of modern AI can be traced back to World War II.3:24 -
How Did Whales Evolve From Land Mammals?
The story of whales’ evolution from land mammals is hidden in their genes.3:08 -
Are Your Online Passwords as Safe as You Think?
Your dog's name, birthday, and zip code do not make secure passwords.2:22 -
The Deepest Underground Lab in the U.S.
A team of researchers hunt for dark matter deep underground in the Black Hills of South Dakota.1:44
