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At the Kawah Ijen

At the Kawah Ijen

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2:50
Human Towers

Human Towers

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3:14
Baroarbunga

Baroarbunga

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2:46
Greening of the Serengeti

Greening of the Serengeti

Video
2:01
Diving Through a Halocline

Diving Through a Halocline

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2:14
Humpback Whale Nursery

Humpback Whale Nursery

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2:34
Dung Beetles on a Spinning Planet

Dung Beetles on a Spinning Planet

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The Pororoca Wave

The Pororoca Wave

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Episode 5: The Calling

The Calling

Season 4 Episode 5
53:05
When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
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Tuberculosis: The Forgotten Plague

Tuberculosis: The Forgotten Plague

Season 6 Episode 5
26:49
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Forces of Nature

Episode 2 Preview | Elements

Learn how Earth’s ingredients, the chemical elements, transformed barren rock into a living world. FORCES OF NATURE "Elements" premieres Wednesday, September 21 at 8/7c.
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