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
53:21
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
London Super Tunnel

London Super Tunnel

Season 50 Episode 1
53:20
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
Arctic Sinkholes
53:30
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
Ancient Maya Metropolis
53:31
Explore great ancient Maya cities and why their inhabitants abandoned them.
Alaskan Dinosaurs
53:21
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
Edible Insects
Unlock with PBS Passport
53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.
Particles Unknown
53:28
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
The Cannabis Question
53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
Looking for Life on Mars
53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.
NOVA Season 47
53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Indestructible
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Reactions
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.
Can We Cool the Planet?
53:31
Scientists look to geoengineering and other methods to cool the planet.
Nature's Fear Factor
53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Active loading indicator