Up Next
Back to Show
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.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Unlock with PBS Passport
26:47
The deep-sea submersible Alvin brings explorers to extraordinary places.
Unlock with PBS Passport
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.
Unlock with PBS Passport
26:53
Scientists study what makes certain corals more resilient than others.
Unlock with PBS Passport
26:42
Scientists monitor penguin populations and study the animals’ interaction.
Unlock with PBS Passport
26:42
Scientists study the devastating impacts of the Deepwater Horizon oil rig disaster.
Unlock with PBS Passport
26:42
Scientists set out to uncover the mysteries of blue holes.
Unlock with PBS Passport
26:42
Experts study the purpose of a male humpback whale's song.
Unlock with PBS Passport
26:42
Stony Coral Tissue Loss Disease is devastating Florida’s fragile coral reef.
Unlock with PBS Passport
26:47
Scientists work to understand what causes toxic algal blooms.
26:42
Discover the Cordell Bank, a magical underwater island few people have ever heard of.
Unlock with PBS Passport
26:42
Scientists study tarpon, bonefish and permit to better understand their behaviors.