Skip to main content

Up Next

The Cannabis Question

The Cannabis Question

Season 48 Episode 11
53:36
Particles Unknown

Particles Unknown

Season 48 Episode 12
53:28
Edible Insects

Edible Insects

Season 48 Episode 14
53:28
Alaskan Dinosaurs

Alaskan Dinosaurs

Season 48 Episode 21
53:17
Ancient Maya Metropolis

Ancient Maya Metropolis

Season 48 Episode 22
53:31
Arctic Sinkholes

Arctic Sinkholes

Season 49 Episode 1
53:30
Great Mammoth Mystery

Great Mammoth Mystery

Season 49 Episode 3
53:16
Why Ships Crash

Why Ships Crash

Season 49 Episode 8
53:20
Ice Age Footprints

Ice Age Footprints

Season 49 Episode 9
53:43
Rebuilding Notre Dame

Rebuilding Notre Dame

Season 49 Episode 13
53:43
Nazca Desert Mystery

Nazca Desert Mystery

Season 49 Episode 17
53:31
Hidden Volcano Abyss

Hidden Volcano Abyss

Season 50 Episode 8
53:19
Back to Show
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.

Watch Preview
Support Provided By
Season
The Elegant Universe: Part 2
52:56
Do miniscule vibrating strands of energy hold the key to a unified theory of physics?
The Elegant Universe: Part 1
52:55
Combining the laws of the universe in one theory that explains it all is the Holy Grail
Dying to Be Thin
Unlock with PBS Passport
53:40
Anorexia, bulimia, and other eating disorders are on the rise. What can be done?
B-29 Frozen in Time
53:54
In Greenland, a deserted B-29 bomber awaits rescue for more than fifty years.
Active loading indicator