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Changing Seas
Sunken Stories
Season 5
Episode 502
n the Florida Keys, divers from around the country learn how to map shipwrecks and apply their skills on a mysterious 18th-century slave ship. Professional explorers also employ high-tech tools to scan objects buried beneath the seafloor.
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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.

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26:43
Visit the remote Pacific, the islands of Maug - a natural laboratory for scientists.

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26:43
Scientists take advantage of manatee gatherings to study them.

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26:43
Some scientists are suggesting that ctenophores are the oldest sea animals.