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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
53:40
Can Dogs Talk?

Can Dogs Talk?

Season 53 Episode 3
53:39
Mammal Origins

Mammal Origins

Season 53 Episode 4
53:38
Rain Bombs

Rain Bombs

Season 53 Episode 5
53:24
Stone Age Temple Mystery

Stone Age Temple Mystery

Season 53 Episode 6
53:25
Return to the Moon

Return to the Moon

Season 53 Episode 7
53:08
Athens: Birth of Democracy

Athens: Birth of Democracy

Season 53 Episode 8
53:40
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NOVA

Why Earth’s Core Is Younger Than Its Surface

Earth’s core is 2.5 years younger than the surface. According to Einstein’s theories of general and special relativity, time passes differently for different observers based on velocity and gravity. And those theories have helped us with navigation and fighting climate change.

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Season
Space Wars
53:54
Inside the escalating military struggle to control space and the satellites we rely on.
Stone Age Masterpiece
53:42
Step into the stunning cave that’s reshaping our understanding of prehistoric art.
Knowledge Keepers
53:41
Witness how Native North Americans have generated scientific knowledge over thousands of years.
The Battle to Breathe
53:34
Follow the relentless quest that led to a breakthrough treatment for a deadly disease.
Athens: Birth of Democracy
Unlock with PBS Passport
53:40
Archaeologists investigate the dramatic origins of democracy in ancient Greece 2,500 years ago.
Return to the Moon
53:08
Follow the Artemis mission to bring humanity back to the Moon for the first time since Apollo.
Stone Age Temple Mystery
Unlock with PBS Passport
53:25
Surprising evidence at the world’s oldest temple overturns our understanding of human history.
Rain Bombs
53:24
A deadly—and growing—global weather phenomenon mystifies scientists.
Mammal Origins
Unlock with PBS Passport
53:38
Explore mammals’ surprising origins, long before the age of dinosaurs.
Can Dogs Talk?
Unlock with PBS Passport
53:39
Do speech buttons really allow dogs to talk to us? Scientists investigate.
Angkor: Hidden Jungle Empire
53:40
New evidence sheds light on the remarkable life—and mysterious collapse—of the ancient jungle city.
Asteroids: Spark of Life?
Unlock with PBS Passport
53:31
What if violent asteroid impacts actually jump-started life on Earth? Explore a dramatic theory.
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