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Arctic Sinkholes

Arctic Sinkholes

Season 49 Episode 1
53:30
Secrets in the Scat

Secrets in the Scat

Season 49 Episode 2
53:32
Great Mammoth Mystery

Great Mammoth Mystery

Season 49 Episode 3
53:16
Augmented

Augmented

Season 49 Episode 4
1:25:02
Determined: Fighting Alzheimer's

Determined: Fighting Alzheimer's

Season 49 Episode 5
53:28
Why Ships Crash

Why Ships Crash

Season 49 Episode 8
53:20
Ice Age Footprints

Ice Age Footprints

Season 49 Episode 9
53:43
Ultimate Space Telescope

Ultimate Space Telescope

Season 49 Episode 10
53:33
Ending HIV in America

Ending HIV in America

Season 49 Episode 11
53:33
Saving Venice

Saving Venice

Season 49 Episode 12
53:31
Rebuilding Notre Dame

Rebuilding Notre Dame

Season 49 Episode 13
53:30
Computers v. Crime

Computers v. Crime

Season 49 Episode 14
53:30
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NOVA

Ancient Maya Metropolis

Season 48 Episode 22

The ancient ancestors of today’s Maya people thrived in large sophisticated cities across Central America for centuries. Why, around 750 CE, did they begin to abandon many of their major cities? Archaeologists investigate dramatic new evidence of the catastrophic droughts and instability that pushed cities beyond their limits.

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1/26/2025
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