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Why Trains Crash

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Building Chernobyl's MegaTomb

Building Chernobyl's MegaTomb

Season 44 Episode 8
52:55
Killer Volcanoes

Killer Volcanoes

Season 44 Episode 16
54:10
Killer Hurricanes

Killer Hurricanes

Season 44 Episode 17
53:11
Killer Floods

Killer Floods

Season 44 Episode 18
54:10
Bird Brain

Bird Brain

Season 44 Episode 20
53:32
Black Hole Apocalypse

Black Hole Apocalypse

Season 45 Episode 1
53:26
Great Escape at Dunkirk

Great Escape at Dunkirk

Season 45 Episode 5
53:15
Decoding the Weather Machine

Decoding the Weather Machine

Season 45 Episode 7
1:53:20
Addiction

Addiction

Season 45 Episode 12
53:45
Thai Cave Rescue

Thai Cave Rescue

Season 45 Episode 14
53:34
Operation Bridge Rescue

Operation Bridge Rescue

Season 45 Episode 16
53:21
Einstein's Quantum Riddle

Einstein's Quantum Riddle

Season 46 Episode 2
53:51
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NOVA

Why Trains Crash

Season 44 Episode 6

From derailments to head-on collisions to drivers killed at road crossings, deadly train accidents claim dozens of lives each year. But just how unsafe are the railroads? NOVA investigates recent rail tragedies and advances in train tech that could help prevent them, taking a special look at Japan’s superefficient bullet trains, which have a perfect safety record.

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Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
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Explore big discoveries that have revolutionized our understanding of the universe.
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Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
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New evidence reveals the real story of Easter Island and the builders of its stone heads.
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Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
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A family turns to science in their struggle to rediscover a history obscured by slavery.
The Battle to Beat Malaria
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Follow the quest to create a lifesaving malaria vaccine.
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