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Dog Tales

Dog Tales

Season 47 Episode 2
53:21
Cat Tales

Cat Tales

Season 47 Episode 3
53:21
Nature's Fear Factor

Nature's Fear Factor

Season 47 Episode 9
53:21
Human Nature

Human Nature

Season 47 Episode 11
1:33:41
Can We Cool the Planet?

Can We Cool the Planet?

Season 47 Episode 16
53:31
Beyond the Elements: Reactions

Beyond the Elements: Reactions

Season 47 Episode 17
53:31
Beyond the Elements: Indestructible

Beyond the Elements: Indestructible

Season 47 Episode 18
53:30
NOVA Season 47

Beyond the Elements: Life

Season 47 Episode 19
53:32
Looking for Life on Mars

Looking for Life on Mars

Season 48 Episode 2
53:46
Reef Rescue

Reef Rescue

Season 48 Episode 4
54:06
Hindenburg: The New Evidence

Hindenburg: The New Evidence

Season 48 Episode 6
53:13
The Cannabis Question

The Cannabis Question

Season 48 Episode 11
53:36
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NOVA

Polar Extremes

Season 47 Episode 1

Following a trail of fossils found in all the wrong places–beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic–NOVA uncovers the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life.

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Season
Nazca Desert Mystery
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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.
Can Psychedelics Cure?
53:47
Psychedelics are unlocking new ways to treat conditions like addiction and depression.
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?
Ultimate Space Telescope
53:33
Discover how NASA engineers built and launched the most ambitious telescope of all time.
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
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