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The Arctic Jet Stream Affects Global Climate. Here's Why.

The Arctic Jet Stream Affects Global Climate. Here's Why.

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3:03
This Detector Can Catch Cosmic Neutrinos

This Detector Can Catch Cosmic Neutrinos

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3:20
MOSAiC Scientists Measure Arctic Sea Ice Volume

MOSAiC Scientists Measure Arctic Sea Ice Volume

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3:05
Can this Cuttlefish Pass an Intelligence Test?

Can this Cuttlefish Pass an Intelligence Test?

Video
9:51
Was Eating Insects Key to Human Brain Evolution?

Was Eating Insects Key to Human Brain Evolution?

Video
3:32
Insects Make Protein More Efficiently Than Mammals

Insects Make Protein More Efficiently Than Mammals

Video
5:14
How Does a Brain on THC Compare to a Brain on CBD?

How Does a Brain on THC Compare to a Brain on CBD?

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4:30
How a Star Dies in a Supernova

How a Star Dies in a Supernova

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2:48
Will the Universe's Stars Someday Disappear?

Will the Universe's Stars Someday Disappear?

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2:42
Georgia’s First Black-Owned Hemp Farm

Georgia’s First Black-Owned Hemp Farm

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3:32
The Milky Way and Andromeda Galaxies will Someday Collide

The Milky Way and Andromeda Galaxies will Someday Collide

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2:56
Gaze at Galaxies with NASA's Hubble Space Telescope

Gaze at Galaxies with NASA's Hubble Space Telescope

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2:44
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NOVA

Cannabis Reverses Brain Aging in Mice

Low doses of THC from cannabis can help older mice learn faster, researchers found. Could it have the same effect in humans?
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The Cannabis Question
53:36
Season 48 Episode 11
The Cannabis Question
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
Reef Rescue
54:06
Season 48 Episode 4
Reef Rescue
Scientists race to help corals adapt to warming oceans through assisted evolution.
Looking for Life on Mars
53:46
Season 48 Episode 2
Looking for Life on Mars
NASA launches its most ambitious search yet for traces of ancient life on Mars.
NOVA Season 47
53:32
Season 47 Episode 19
Beyond the Elements: Life
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Indestructible
53:30
Season 47 Episode 18
Beyond the Elements: Indestructible
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Reactions
53:31
Season 47 Episode 17
Beyond the Elements: Reactions
Discover the fascinating chemistry that makes our world and everything in it—including us.
Can We Cool the Planet?
53:31
Season 47 Episode 16
Can We Cool the Planet?
Scientists look to geoengineering and other methods to cool the planet.
Nature's Fear Factor
53:21
Season 47 Episode 9
Nature's Fear Factor
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Cat Tales
53:21
Season 47 Episode 3
Cat Tales
Goddess, demon, house pet? What does science say about the human relationship with cats?
Polar Extremes
1:52:46
Season 47 Episode 1
Polar Extremes
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
Decoding da Vinci
53:30
Season 46 Episode 21
Decoding da Vinci
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
Rise of the Mammals
53:15
Season 46 Episode 17
Rise of the Mammals
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
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