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Bakari is the Serengeti's Most Eligible Single Dad

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Overcoming Tragedy: The Raney Family's New Cabin

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Canada's Wildlife is in Hot Water

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Offshore Wind Farms Present Huge Green Gains and Tricky Challenges
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Nature

Canada's Wildlife is in Hot Water

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Moths: One of the Most Diverse Species in the Insect Kingdom

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The Shark Experience at Georgia Aquarium

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Conserving Shark Island
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3 Explorers Pioneering a New Frontier

America’s Most Iconic Trains are Back in Action — Here’s What You Need to Know

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Breaking New Ground with Paleontologist from Mongolia

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Space

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Solid State Batteries Promise Long Life and Rapid Refuel Electric Vehicles

Electric vs. Hydrogen: The Pros and Cons of Greener Transportation

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S1 E5 9/11/11

What's Beneath America?

Everything that has made America bountiful and powerful is a product of forces that date back billions of years. An array of dazzling visual effects show how ancient geology has shaped modern America and its people.

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Seasons

Episode   1

Did God Create the Universe?

Episode   2

Alien Invasion: Are We Ready

Episode   3

Why Is Sex Fun?

Episode   4

What Sank Titanic?

Episode   5

What's Beneath America?

Episode   6

How Will the World End?

Episode   7

Back to the Stone Age

Episode   8

I, Caveman: The Great Hunt

Episode   9

Can You Live Forever?

Episode   10

World's Dirtiest Man

Episode   11

How Evil Are You?

Episode   12

Life Before Birth

Episode   13

What's America Worth?

Episode   14

Your Body on Drugs