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Meet the NASA Scientist Who Uses Lasers to Study Forests

Meet the NASA Scientist Who Uses Lasers to Study Forests

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4:05
What is Solar Geoengineering and Why is it Controversial?

What is Solar Geoengineering and Why is it Controversial?

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4:16
How Much Coal Do People Burn Each Year?

How Much Coal Do People Burn Each Year?

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2:13
The Tech Behind Mail-In Voting

The Tech Behind Mail-In Voting

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6:20
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

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

Is it Safe to Fly During the Pandemic?

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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

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5:20
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NOVA

Asteroids Provide Hints About the "Ingredients" in Planets

The composition of asteroid Bennu may hold clues about the ingredients that make Earth.
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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.
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.
Einstein's Quantum Riddle
53:51
Season 46 Episode 2
Einstein's Quantum Riddle
Join scientists as they grab light from across the universe to prove quantum entanglement.
Pluto and Beyond
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53:30
Season 46 Episode 1
Pluto and Beyond
The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.
Operation Bridge Rescue
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53:21
Season 45 Episode 16
Operation Bridge Rescue
Follow engineers and woodworkers as they rebuild an iconic American covered bridge.
Thai Cave Rescue
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53:34
Season 45 Episode 14
Thai Cave Rescue
Follow the harrowing operation to rescue 12 boys stranded in a flooded cave in Thailand.
Addiction
53:45
Season 45 Episode 12
Addiction
Discover how opioid addiction affects the brain and how treatments are saving lives.
Decoding the Weather Machine
1:53:20
Season 45 Episode 7
Decoding the Weather Machine
Discover how Earth’s intricate climate system is changing.
Great Escape at Dunkirk
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53:15
Season 45 Episode 5
Great Escape at Dunkirk
How courage and ingenuity saved Allied troops during the epic Dunkirk operation in 1940.
Black Hole Apocalypse
53:26
Season 45 Episode 1
Black Hole Apocalypse
Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.
Bird Brain
53:32
Season 44 Episode 20
Bird Brain
Watch as birds solve puzzles and challenge our basic notions of intelligence.
Building Chernobyl's MegaTomb
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52:55
Season 44 Episode 8
Building Chernobyl's MegaTomb
Engineers race to build a massive dome to contain the crumbling remains of the reactor.
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