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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
53:17
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
Hidden Volcano Abyss

Hidden Volcano Abyss

Season 50 Episode 8
53:19
Ancient Earth: Birth of the Sky

Ancient Earth: Birth of the Sky

Season 50 Episode 11
53:47
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NOVA

The Cannabis Question

Season 48 Episode 11

As state-legalized cannabis spreads, NOVA investigates the latest scientific evidence for its potential benefits and risks, and how criminalization has disproportionately harmed communities of color.

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Season
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.
Nature's Fear Factor
53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Cat Tales
53:21
Goddess, demon, house pet? What does science say about the human relationship with cats?
Polar Extremes
1:52:46
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
Decoding da Vinci
53:30
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
Rise of the Mammals
53:15
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
The Next Pompeii
Unlock with PBS Passport
53:22
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
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