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Coral Hybrids

Coral Hybrids

Season 5 Episode 501
26:45
Costa Rica's Surfing Paradise

Costa Rica's Surfing Paradise

Season 17 Episode 1
26:42
Whales in a Plastic Ocean

Whales in a Plastic Ocean

Season 17 Episode 2
26:42
Mystery of the Spinning Fish

Mystery of the Spinning Fish

Season 17 Episode 3
26:42
The Elephant Seals of Año Nuevo

The Elephant Seals of Año Nuevo

Season 17 Episode 4
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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
53:31
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Changing Seas

Coral Hybrids - Trailer

Once a common sight in the Caribbean and Florida, Elkhorn and Staghorn corals are now listed as threatened on the U.S. Endangered Species list. But while these corals have declined in recent years, their hybrid appears to be increasing in parts of the region.

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Scientists work to understand what causes toxic algal blooms.
The Cordell Bank: A National Treasure
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Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat.
Dolphins: Breaking the Code
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The Fate of Carbon
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Toxic Algae: Complex Sources and Solutions
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