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Changing Seas
Alvin: Pioneer of the Deep
Season 13
Episode 1303
The deep-sea submersible Alvin has brought explorers to extraordinary places for more than 50 years. Now, as Alvin is poised to continue its revolutionary scientific work, a new set of upgrades will take it deeper than ever before.
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26:44
Researchers provide data necessary to protect fish populations from further decline.

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26:42
Researchers study what impact ecotourism might have on southern stingrays.
26:43
Researchers are beginning to understand where turtles go during their “lost years.”

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26:54
Scientists conduct research to save the Smalltooth Sawfish.

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27:02
Scientists spend a month in the Galapagos Islands to conduct research.

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26:54
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.

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26:48
Discover Crinoids which have been around since before the age of Dinosaurs.

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26:46
The Changing Seas team meets with researchers in French Polynesia.

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26:46
New research sheds light on the lives of mysterious creatures of the deep.

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26:45
Divers from around the country learn how to map shipwrecks.

26:45
Follow one scientist studying coral in Belize.

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27:14
Scientists studying the coastal Everglades make some perplexing discoveries.