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High-Risk High-Rise

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The Cannabis Question

The Cannabis Question

Season 48 Episode 11
53:36
Particles Unknown

Particles Unknown

Season 48 Episode 12
53:28
Edible Insects

Edible Insects

Season 48 Episode 14
53:28
Alaskan Dinosaurs

Alaskan Dinosaurs

Season 48 Episode 21
53:21
Ancient Maya Metropolis

Ancient Maya Metropolis

Season 48 Episode 22
53:31
Arctic Sinkholes

Arctic Sinkholes

Season 49 Episode 1
53:30
Great Mammoth Mystery

Great Mammoth Mystery

Season 49 Episode 3
53:16
Why Ships Crash

Why Ships Crash

Season 49 Episode 8
53:20
Ice Age Footprints

Ice Age Footprints

Season 49 Episode 9
53:43
Rebuilding Notre Dame

Rebuilding Notre Dame

Season 49 Episode 13
53:43
Nazca Desert Mystery

Nazca Desert Mystery

Season 49 Episode 17
53:31
London Super Tunnel

London Super Tunnel

Season 50 Episode 1
53:20
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NOVA

High-Risk High-Rise

Season 48 Episode 8

Gleaming symbols of prestige, skyscrapers are an ingenious way to save space in dense urban areas. But even as we devise ways to defend them against fires, wind, and earthquakes, can we also make them more livable, interactive, and eco-friendly?

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Season
Arctic Sinkholes
53:30
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
Ancient Maya Metropolis
53:31
Explore great ancient Maya cities and why their inhabitants abandoned them.
Alaskan Dinosaurs
Unlock with PBS Passport
53:21
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
Edible Insects
Unlock with PBS Passport
53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.
Particles Unknown
53:28
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
The Cannabis Question
53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
Reef Rescue
54:06
Scientists race to help corals adapt to warming oceans through assisted evolution.
Looking for Life on Mars
53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.
NOVA Season 47
53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Indestructible
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Reactions
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.
Can We Cool the Planet?
53:31
Scientists look to geoengineering and other methods to cool the planet.
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