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The Science of the COVID-19 Treatments Trump Received

The Science of the COVID-19 Treatments Trump Received

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

Repairing Notre Dame's Vaults with Underground Quarries

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2:51
Stabilizing Notre Dame's Famous Buttresses

Stabilizing Notre Dame's Famous Buttresses

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3:03
Saving Notre Dame's Stained Glass Masterpieces

Saving Notre Dame's Stained Glass Masterpieces

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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

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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

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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

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4:02
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NOVA

How Much Coal Do People Burn Each Year?

This visualization uses Washington D.C.'s National Mall to show the scale of human coal consumption—and how much CO2 it adds to our atmosphere.
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Beyond the Elements: Reactions
53:31
Season 47 Episode 17
Beyond the Elements: Reactions
Discover the fascinating chemistry that makes our world and everything in it—including us.
Can We Cool the Planet?
53:31
Season 47 Episode 16
Can We Cool the Planet?
Scientists look to geoengineering and other methods to cool the planet.
Nature's Fear Factor
53:21
Season 47 Episode 9
Nature's Fear Factor
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Cat Tales
53:21
Season 47 Episode 3
Cat Tales
Goddess, demon, house pet? What does science say about the human relationship with cats?
Polar Extremes
1:52:46
Season 47 Episode 1
Polar Extremes
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
Decoding da Vinci
53:30
Season 46 Episode 21
Decoding da Vinci
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
Why Bridges Collapse
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53:25
Season 46 Episode 18
Why Bridges Collapse
Can new engineering techniques help prevent deadly bridge collapses?
Rise of the Mammals
53:15
Season 46 Episode 17
Rise of the Mammals
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Back to the Moon
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53:32
Season 46 Episode 11
Back to the Moon
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
The Next Pompeii
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53:22
Season 46 Episode 6
The Next Pompeii
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
Rise of the Rockets
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53:34
Season 46 Episode 5
Rise of the Rockets
New technologies are promising a new renaissance in space travel.
Decoding the Great Pyramid
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53:23
Season 46 Episode 4
Decoding the Great Pyramid
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
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