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Ocean Invaders

Ocean Invaders

Season 49 Episode 16
53:32
Nazca Desert Mystery

Nazca Desert Mystery

Season 49 Episode 17
53:31
Crypto Decoded

Crypto Decoded

Season 49 Episode 18
53:22
NOVA Season 49

Zero to Infinity

Season 49 Episode 19
53:32
London Super Tunnel

London Super Tunnel

Season 50 Episode 1
53:20
Ancient Builders of the Amazon

Ancient Builders of the Amazon

Season 50 Episode 3
53:21
New Eye on the Universe

New Eye on the Universe

Season 50 Episode 4
53:31
Weathering the Future

Weathering the Future

Season 50 Episode 5
53:31
Chasing Carbon Zero

Chasing Carbon Zero

Season 50 Episode 6
53:31
Saving the Right Whale

Saving the Right Whale

Season 50 Episode 7
53:31
Hidden Volcano Abyss

Hidden Volcano Abyss

Season 50 Episode 8
53:19
Your Brain: Perception Deception

Your Brain: Perception Deception

Season 50 Episode 9
53:30
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NOVA

Can Psychedelics Cure?

Season 49 Episode 15

Hallucinogenic drugs—popularly called psychedelics—have been used by human societies for thousands of years. Today, scientists are taking a second look at many of these mind-altering substances – both natural and synthetic – and discovering that they can have profoundly positive clinical impacts, helping patients struggling with a range of afflictions from addiction to depression and PTSD.

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Season
Nazca Desert Mystery
Unlock with PBS Passport
53:31
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
Ocean Invaders
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53:32
Meet one of the ocean’s most beautiful and destructive species: Lionfish.
Computers v. Crime
53:30
Is artificial intelligence making policing and courts fairer, or is it increasing bias?
Rebuilding Notre Dame
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53:43
A team tackles the restoration of iconic Notre Dame Cathedral.
Saving Venice
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53:31
Can innovative engineering projects save Venice?
Ending HIV in America
53:33
Can innovative drugs and therapies finally end HIV?
Ice Age Footprints
53:43
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
Why Ships Crash
Unlock with PBS Passport
53:20
How could a single ship cause a major supply chain crisis around the globe?
Great Mammoth Mystery
53:16
Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
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
53:21
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
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