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Colosseum: Roman Death Trap Preview
Season 42 Episode 6
NOVA
About the Episode
1500 years ago, how did the Romans engineer bloody spectacles and reenact sea battles?
Aired: | Expires: | Runtime: 30s
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Extras
Nazca Desert Mystery Preview
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
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Psychedelics as Medicine: The History of Peyote
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How Venice Was Built On a Swamp
Ever wonder how Venice was built? Here’s how.
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Becoming Human Part 3 Preview
Premiers on air and online Tuesday, Nov. 17, 2009
2:39
How Police Use Algorithms to Predict Crime
Police are using artificial intelligence to predict crime.
5:25
Watch the DART Spacecraft Smash into an Asteroid
Could we deflect an asteroid barreling toward Earth? DART offers a first test.
0:51
How Storm Surges Work—and Why They’re So Deadly
The deadliest part of a hurricane isn’t the wind–it’s water.
4:49
Ocean Invaders
Meet one of the ocean’s most beautiful and destructive species: Lionfish.
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Sharks Are Showing Up Earlier—and Staying Longer
Tiger sharks are showing up off the coast of New England earlier. What’s going on?
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Can Psychedelics Cure? Preview
Psychedelics are unlocking new ways to treat conditions like addiction and depression.
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