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The World’s First Combat Submarine

The World’s First Combat Submarine

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10:49
How Deadly Was the Musket?

How Deadly Was the Musket?

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4:57
Why Just Planting Trees Won’t Save the Planet

Why Just Planting Trees Won’t Save the Planet

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3:04
These Smart Glasses Know Who You Are, and Much More

These Smart Glasses Know Who You Are, and Much More

Video
4:18
How Algorithms Decide Who Gets a Kidney

How Algorithms Decide Who Gets a Kidney

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1:07
The Science of Scratch-Offs: What Your Brain Can’t Resist

The Science of Scratch-Offs: What Your Brain Can’t Resist

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6:39
This Giant Telescope Will Reveal The Universe in Unbelievable Detail

This Giant Telescope Will Reveal The Universe in Unbelievable Detail

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5:59
How Harvard Discovered It Has an Original Copy of the Magna Carta

How Harvard Discovered It Has an Original Copy of the Magna Carta

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3:13
The Next Big Earthquake Could Sink Parts of the Pacific Northwest

The Next Big Earthquake Could Sink Parts of the Pacific Northwest

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5:08
This Discovery Rewrote Human History

This Discovery Rewrote Human History

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2:50
This Was One of the First Known Human Ritual Sites

This Was One of the First Known Human Ritual Sites

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2:41
Signs of Life on Mars? NASA's Discovery, Explained

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

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3:38
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NOVA

The Rocket-Less Future of Space Travel

Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science fiction, but scientists are racing to develop new, more efficient methods of space travel - and some pretty wild ideas are on the table. Discover the rocket-less future of space travel and the quest to make it happen.
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Ancient Earth: Life Rising
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53:47
Season 50 Episode 13
Ancient Earth: Life Rising
See how life made the leap to land, turning a barren landscape into a lush, green world.
Ancient Earth: Frozen
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53:46
Season 50 Episode 12
Ancient Earth: Frozen
How did life survive on a planet covered in ice from pole to pole?
Ancient Earth: Birth of the Sky
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53:47
Season 50 Episode 11
Ancient Earth: Birth of the Sky
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
Your Brain: Who's in Control?
53:31
Season 50 Episode 10
Your Brain: Who's in Control?
Dive into the subconscious to see what’s really driving the decisions you make.
Your Brain: Perception Deception
53:30
Season 50 Episode 9
Your Brain: Perception Deception
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
Hidden Volcano Abyss
53:19
Season 50 Episode 8
Hidden Volcano Abyss
Investigate one of the most powerful volcanic eruptions in recorded history.
Saving the Right Whale
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53:31
Season 50 Episode 7
Saving the Right Whale
Follow scientists determined to save the critically endangered right whale.
Chasing Carbon Zero
53:31
Season 50 Episode 6
Chasing Carbon Zero
Here’s how the U.S. could reach net-zero carbon emissions by 2050.
Weathering the Future
53:31
Season 50 Episode 5
Weathering the Future
Americans use ancient wisdom and new technology to fight extreme weather.
Nazca Desert Mystery
53:31
Season 49 Episode 17
Nazca Desert Mystery
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
Rebuilding Notre Dame
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53:43
Season 49 Episode 13
Rebuilding Notre Dame
A team tackles the restoration of iconic Notre Dame Cathedral.
Ice Age Footprints
53:43
Season 49 Episode 9
Ice Age Footprints
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
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