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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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26:42
Experts are working to conserve and restore the Puget Sound’s declining kelp forests.

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26:42
Scientists study the body size and health of humpback whales across their migratory cycle.

26:42
Experts study declines in the number of humpbacks migrating between Alaska and Hawaiʻi.

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26:47
Scientists employ creative solutions to restore and reconnect Florida’s mangroves

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26:47
The deep-sea submersible Alvin brings explorers to extraordinary places.

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26:42
Scientists study salt marshes along scenic coastlines in the South.

26:42
Scientists team up with anglers to study the survival rates of the fish.

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26:53
Scientists study what makes certain corals more resilient than others.

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26:42
Scientists monitor penguin populations and study the animals’ interaction.

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26:42
Scientists study the devastating impacts of the Deepwater Horizon oil rig disaster.

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26:42
Scientists set out to uncover the mysteries of blue holes.

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26:42
Experts study the purpose of a male humpback whale's song.