Up Next
Back to Show
Watch Preview
NOVA
Reef Rescue
Season 48
Episode 4
If oceans continue to warm at the current pace, coral reefs could be wiped out by the end of the century. But scientists from around the globe are rushing to help corals adapt to a changing climate through assisted evolution.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Unlock with PBS Passport
53:34
Follow the harrowing operation to rescue 12 boys stranded in a flooded cave in Thailand.
Unlock with PBS Passport
53:37
Explore Africa’s sleeping giant—Nyamuragira, one of the world’s most dangerous volcanoes.
Unlock with PBS Passport
53:37
Climb into the crater of Nyiragongo, a seething and active African volcano.
1:53:20
Discover how Earth’s intricate climate system is changing.
Unlock with PBS Passport
53:15
How courage and ingenuity saved Allied troops during the epic Dunkirk operation in 1940.
53:26
Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.
Unlock with PBS Passport
53:32
Watch as birds solve puzzles and challenge our basic notions of intelligence.
Unlock with PBS Passport
54:10
Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.
Unlock with PBS Passport
53:11
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
Unlock with PBS Passport
54:10
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
Unlock with PBS Passport
52:55
Engineers race to build a massive dome to contain the crumbling remains of the reactor.