What Happened to the Hole in the Ozone Layer?
Season 51
About the Episode
The extreme thinning of the Ozone layer threatened to bring on a global crisis from destroying plants and ecosystems to sky-high skin cancer rates. So, what happened?
Aired:
| Expires: | Runtime: 3m 13s
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Extras
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Complete Guide To Editing | NOVA Science Studio Tutorials
Learn editing tips and techniques to ensure a cohesive story from start to finish16:21 -
How To Film Great Video With A Phone | NOVA Science Studio
NOVA producer Alex Clark shares 3 fundamentals of shooting with a smartphone.3:54 -
Colosseum: Roman Death Trap Preview
1500 years ago, how did the Romans engineer bloody spectacles and reenact sea battles?0:30 -
Ancient Earth: Frozen Preview
How did life survive on a planet covered in ice from pole to pole?0:30 -
Ancient Earth: Life Rising Preview
See how life made the leap to land, turning a barren landscape into a lush, green world.0:30 -
Ancient Earth: Birth of the Sky Preview
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.0:30 -
Rare Fossil Appears to Show Mammal Attacking Dinosaur
Could a small mammal take down a dinosaur?3:26 -
The nation’s first big offshore wind farm is coming
The first commercial-scale offshore wind farm in the US is being built off Massachusetts.5:22 -
What Made the Titan Submersible Design Unconventional?
An international investigation into the fatal submersible implosion is underway.5:05 -
How Coating Roads Could Help Beat the Heat
A pilot program in Phoenix, Arizona aims to cool the city by making the ground less hot.1:48
