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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
The Battle to Breathe

The Battle to Breathe

Season 53 Episode 9
53:34
Knowledge Keepers

Knowledge Keepers

Season 53 Episode 10
53:41
Stone Age Masterpiece

Stone Age Masterpiece

Season 53 Episode 11
53:42
Space Wars

Space Wars

Season 53 Episode 12
53:54
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NOVA

Why Bridges Collapse Preview

In 2018, Italy’s Morandi Bridge collapsed, tragically killing 43 people. For 50 years, the iconic bridge had withstood the elements—and stress from ever-increasing traffic. What went wrong that fateful day? And how can new engineering technology protect bridge infrastructure to prevent such tragic failures in the future?

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B-29 Frozen in Time
53:54
In Greenland, a deserted B-29 bomber awaits rescue for more than fifty years.
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