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Changing Seas
Mollusks: More than a Shell
Season 15
Episode 1501
Seashells, with their beautiful shapes and colors, have inspired humans since the dawn of time. Equally fascinating are the animals which make them, and their unique place in the web of life. Researchers and citizen scientists continue to make new discoveries, while a cutting-edge digital project makes vast research collections easily accessible online.
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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.

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26:43
Discover how some fish species change their sex.

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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.