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This University Monitors COVID-19 Through Saliva Testing

This University Monitors COVID-19 Through Saliva Testing

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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

Video
4:02
What Gives Hot Peppers Their Heat?

What Gives Hot Peppers Their Heat?

Video
8:22
New COVID-19 Variants Spread More Easily

New COVID-19 Variants Spread More Easily

Video
7:15
Lingering Symptoms from COVID-19 are “Unprecedented”

Lingering Symptoms from COVID-19 are “Unprecedented”

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5:05
Plastics: Durable, Diverse, and Indestructible

Plastics: Durable, Diverse, and Indestructible

Video
7:52
Why Misinformation Matters

Why Misinformation Matters

Video
2:41
Growing Simple Cells with the Help of... Soap?

Growing Simple Cells with the Help of... Soap?

Video
7:11
Meet the Enzyme Driving Photosynthesis

Meet the Enzyme Driving Photosynthesis

Video
6:08
Dream Hacking: Decisions, Addictions, and Sleep

Dream Hacking: Decisions, Addictions, and Sleep

Video
14:34
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NOVA

Half Sisters Unite Thanks to DNA Testing

Half-sisters share their unlikely story of finding one another through genetic testing, and what they learned about their family history along the way.
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Deadliest Earthquakes
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53:05
Season 38 Episode 1
Deadliest Earthquakes
Big quakes are inevitable, but can we prevent their devastation?
Mind Over Money
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52:52
Season 37 Episode 7
Mind Over Money
Can markets be rational when humans aren't?
Doctors' Diaries
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1:42:48
Season 36 Episode 8
Doctors' Diaries
Seven doctors, 21 years... Saving lives is only part of the story.
Car of the Future
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53:12
Season 35 Episode 9
Car of the Future
The "Car Talk" guys look for a new breed of clean, fuel-efficient vehicles.
Forgotten Genius
1:52:42
Season 34 Episode 3
Forgotten Genius
The story of how African-American Percy Julian defied the odds to become a famous chemist.
Storm That Drowned a City
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52:31
Season 32 Episode 18
Storm That Drowned a City
What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?
Einstein's Big Idea
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1:49:01
Season 32 Episode 13
Einstein's Big Idea
The story behind the world's most famous equation, e=mc2
Origins: Back to the Beginning
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53:31
Season 31 Episode 14
Origins: Back to the Beginning
Learn about the elements and their roles in the universe.
Origins: Where are the Aliens?
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53:31
Season 31 Episode 13
Origins: Where are the Aliens?
Journey back to the beginning of everything: the universe, Earth, and life itself.
Origins: How Life Began
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50:52
Season 31 Episode 12
Origins: How Life Began
Journey back to the beginning of everything: the universe, Earth, and life itself.
Origins: Earth is Born
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51:52
Season 31 Episode 11
Origins: Earth is Born
Journey back to the beginning of everything: the universe, Earth, and life itself.
Life and Death in the War Zone
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53:50
Season 31 Episode 6
Life and Death in the War Zone
An American combat hospital mobilized in Iraq faces a daily drama of wartime treatment.
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