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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

Video
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

Video
2:44
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NOVA

A Veteran's Story of Medical Cannabis Use and Arrest

To manage his post-traumatic stress after serving in Iraq, Sean Worsley got a medical cannabis card in Arizona. Then he and his wife were charged with possession in Alabama, which changed the course of their lives.
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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.
Why Bridges Collapse
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53:25
Season 46 Episode 18
Why Bridges Collapse
Can new engineering techniques help prevent deadly bridge collapses?
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.
Back to the Moon
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53:32
Season 46 Episode 11
Back to the Moon
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
The Next Pompeii
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53:22
Season 46 Episode 6
The Next Pompeii
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
Rise of the Rockets
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53:34
Season 46 Episode 5
Rise of the Rockets
New technologies are promising a new renaissance in space travel.
Decoding the Great Pyramid
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53:23
Season 46 Episode 4
Decoding the Great Pyramid
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
Einstein's Quantum Riddle
53:51
Season 46 Episode 2
Einstein's Quantum Riddle
Join scientists as they grab light from across the universe to prove quantum entanglement.
Operation Bridge Rescue
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53:21
Season 45 Episode 16
Operation Bridge Rescue
Follow engineers and woodworkers as they rebuild an iconic American covered bridge.
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