Access to this video is a benefit for members through PBS Passport.
Back to Show
Changing Seas
Florida’s Blue Holes: Oases in the Sea
Season 12
Episode 1201
Blue holes scattered throughout the Gulf of Mexico inspire a team of exploration scientists and divers who set out to uncover the mysteries of what makes them ecological oases.
Support Provided By
Unlock with PBS Passport
27:02
Scientists spend a month in the Galapagos Islands to conduct research.
Unlock with PBS Passport
26:54
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.
Unlock with PBS Passport
29:33
Scientists work to identify and link a devastating coral disease to a human pathogen.