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Changing Seas
Toxic Waters
Season 11
Episode 1102
Harmful algal blooms come in many forms, from toxic outbreaks impacting the health of animals and humans, to non-toxic but expansive sargassum mats devastating local economies and tourism. Scientists are working to understand what causes these blooms, how they impact us, and how we can stop them.
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26:42
Experts study the purpose of a male humpback whale's song.

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26:42
Stony Coral Tissue Loss Disease is devastating Florida’s fragile coral reef.

26:42
Discover the Cordell Bank, a magical underwater island few people have ever heard of.

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26:42
Scientists study tarpon, bonefish and permit to better understand their behaviors.

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26:42
Scientists work to save crocodiles through research and conservation.

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26:42
Deep underwater, on a shipwreck near Key West, lives a tiny potential new threat.

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26:43
Modern technology is making it possible to correlate dolphin sounds and behavior.

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27:13
Scientists experimant to see if giant manta rays are impacted negatively by microplastics.

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27:13
Changes to the ocean environment affect the way carbon is cycled through the seas.

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27:13
Lake Okeechobee, once the blue heart of Florida, now has putrid mats of blue green algae.

27:18
Discover ways to increase fish production in a sustainable manner.

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26:43
Discover what lives beneath the Blue Heron Bridge in Florida.