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Changing Seas

Prescription: Oceans

Season 3 Episode 303

The oceans are part of America’s newest medical frontier. In Florida, a group of scientists are testing sea sponges for their potential anti-cancer properties. These and other marine invertebrates may hold the key to unlocking the secrets of our own biology.

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Saving Sawfish
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Season 6 Episode 604
Saving Sawfish
Scientists conduct research to save the Smalltooth Sawfish.
Galapagos: Window into the Future
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27:02
Season 6 Episode 603
Galapagos: Window into the Future
Scientists spend a month in the Galapagos Islands to conduct research.
Biggest Fish in the Sea
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26:54
Season 6 Episode 602
Biggest Fish in the Sea
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.
Living Fossils
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Season 6 Episode 601
Living Fossils
Discover Crinoids which have been around since before the age of Dinosaurs.
Reefs of Rangiroa
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26:46
Season 5 Episode 504
Reefs of Rangiroa
The Changing Seas team meets with researchers in French Polynesia.
Creatures of the Deep
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26:46
Season 5 Episode 503
Creatures of the Deep
New research sheds light on the lives of mysterious creatures of the deep.
Sunken Stories
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Season 5 Episode 502
Sunken Stories
Divers from around the country learn how to map shipwrecks.
Coral Hybrids
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26:45
Season 5 Episode 501
Coral Hybrids
Follow one scientist studying coral in Belize.
Coastal Carnivores
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Season 4 Episode 404
Coastal Carnivores
Scientists studying the coastal Everglades make some perplexing discoveries.
Grouper Moon
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Season 4 Episode 403
Grouper Moon
The Cayman Islands are home to the last great reproductive population of grouper.
Mysterious Microbes
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29:33
Season 4 Episode 402
Mysterious Microbes
Scientists work to identify and link a devastating coral disease to a human pathogen.
Tracking Tigers
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27:16
Season 4 Episode 401
Tracking Tigers
Scientists use satellite tags and DNA forensic tools to track tiger sharks.
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