Skip to main content
Donate

Up Next

The Science of the COVID-19 Treatments Trump Received

The Science of the COVID-19 Treatments Trump Received

Video
6:37
Repairing Notre Dame's Vaults with Underground Quarries

Repairing Notre Dame's Vaults with Underground Quarries

Video
2:51
Stabilizing Notre Dame's Famous Buttresses

Stabilizing Notre Dame's Famous Buttresses

Video
3:03
Saving Notre Dame's Stained Glass Masterpieces

Saving Notre Dame's Stained Glass Masterpieces

Video
3:02
Is it Safe to Fly During the Pandemic?

Is it Safe to Fly During the Pandemic?

Video
6:14
Your COVID-19 Vaccine is Coming

Your COVID-19 Vaccine is Coming

Video
7:12
Half Sisters Unite Thanks to DNA Testing

Half Sisters Unite Thanks to DNA Testing

Video
4:19
How—and why—DNA Testing Uses Biased Reference Databases

How—and why—DNA Testing Uses Biased Reference Databases

Video
5:20
This University Monitors COVID-19 Through Saliva Testing

This University Monitors COVID-19 Through Saliva Testing

Video
6:53
The Biggest Space News Stories of 2020

The Biggest Space News Stories of 2020

Video
5:27
How Killer Snail Venom Plays a Key Role in Drug Development

How Killer Snail Venom Plays a Key Role in Drug Development

Video
6:08
Why Hot Peppers Set Your Mouth on Fire

Why Hot Peppers Set Your Mouth on Fire

Video
4:02
Back to Show
NOVA

What is Solar Geoengineering and Why is it Controversial?

Scientists propose putting reflective aerosols into the stratosphere to reflect the sun's rays. But will this have unintended consequences?