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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
Can Dogs Talk?

Can Dogs Talk?

Season 53 Episode 3
53:39
Mammal Origins

Mammal Origins

Season 53 Episode 4
53:38
Stone Age Temple Mystery

Stone Age Temple Mystery

Season 53 Episode 6
53:25
When Earth Was Bombarded by Asteroids

When Earth Was Bombarded by Asteroids

Video
3:41
These Are the World’s Oldest Mummies

These Are the World’s Oldest Mummies

Video
2:49
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
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
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
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NOVA

The Planets: Mars Preview

Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?
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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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