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How Did Early Humans Hunt Monkeys?

How Did Early Humans Hunt Monkeys?

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2:54
At the Edge of Extinction, These Neanderthals Were Cannibalized

At the Edge of Extinction, These Neanderthals Were Cannibalized

Video
2:59
Did Homo sapiens and Neanderthals Interbreed?

Did Homo sapiens and Neanderthals Interbreed?

Video
2:59
Would You Face a Bear With a Spear? Ancient Humans Might Have

Would You Face a Bear With a Spear? Ancient Humans Might Have

Video
3:06
This Is Where the First Alphabet Was Born

This Is Where the First Alphabet Was Born

Video
3:05
Göbekli Tepe: The 11,500-Year-Old Mystery That Rewrote History

Göbekli Tepe: The 11,500-Year-Old Mystery That Rewrote History

Video
2:47
How Astronauts Avoided Disaster Building the International Space Station

How Astronauts Avoided Disaster Building the International Space Station

Video
4:30
The Failure That Led to the Columbia Tragedy

The Failure That Led to the Columbia Tragedy

Video
1:35
These Are the World’s Oldest Mummies

These Are the World’s Oldest Mummies

Video
2:49
When Earth Was Bombarded by Asteroids

When Earth Was Bombarded by Asteroids

Video
3:41
Asteroids: Spark of Life?

Asteroids: Spark of Life?

Season 53 Episode 1
53:31
Angkor: Hidden Jungle Empire

Angkor: Hidden Jungle Empire

Season 53 Episode 2
53:39
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NOVA

Signs of Life on Mars? NASA's Discovery, Explained

Billions of years ago, Mars’ Jezero Crater held a lake fed by rivers that could have carried minerals and maybe even organic matter. On Earth, places like that are teeming with microbial life.
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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.
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.
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