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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.
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53:31
Explore great ancient Maya cities and why their inhabitants abandoned them.

53:21
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.

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53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.

53:28
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.

53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.

53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.

53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.

53:31
Scientists look to geoengineering and other methods to cool the planet.

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1:33:41
We can now edit the human genome with a tool called CRISPR. But how far should we go?

53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?