Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Changing Seas
Life in the Dark: The Polar Night
Season 15
Episode 1504
At the northernmost year-round research station in the world, scientists brave frigid temperatures and perpetual night to solve an ocean mystery. The team is trying to figure out how some of the tiniest animals survive at a time of year when their main food source is not available.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Unlock with PBS Passport
27:01
The Cayman Islands are home to the last great reproductive population of grouper.
Unlock with PBS Passport
29:33
Scientists work to identify and link a devastating coral disease to a human pathogen.
Unlock with PBS Passport
27:16
Scientists use satellite tags and DNA forensic tools to track tiger sharks.
Unlock with PBS Passport
26:47
Oceanographers continue to study the long term effects of an oil spill.
Unlock with PBS Passport
26:46
A group of scientists tests sea sponges for potential anti-cancer properties.
Unlock with PBS Passport
26:46
Explore the emerging science of coral reef restoration.
26:49
The invasive lionfish is a major threat to biodiversity and a stressed coral reef.
Unlock with PBS Passport
26:48
Examine the important role seagrasses and mangroves play in the ocean’s web of life.
Unlock with PBS Passport
26:51
Take a look at the health of the bottlenose dolphin.
Unlock with PBS Passport
26:51
The Changing Seas crew shadows a team of research divers in Dry Tortugas National Park.
26:45
Scientists develop sustainable aquaculture methods to take the pressure off wild fish.
26:46
Scientists scan the ocean floor to find deep sea corals threatened by bottom trawling.