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Milking a Horse is Harder than You Think

Milking a Horse is Harder than You Think

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0:38
What Fish Revealed About This Mysterious Grave

What Fish Revealed About This Mysterious Grave

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2:46
Why Did These Vikings' Bones Appear Older Than They Are?

Why Did These Vikings' Bones Appear Older Than They Are?

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2:18
Who Was This High-Status Viking Warrior?

Who Was This High-Status Viking Warrior?

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1:55
This Cute Robot Uses Sophisticated AI to Help Teach Kids

This Cute Robot Uses Sophisticated AI to Help Teach Kids

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4:18
The 170-Year Search for a Planet Beyond Neptune

The 170-Year Search for a Planet Beyond Neptune

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2:29
The Evidence for Planet Nine’s Existence

The Evidence for Planet Nine’s Existence

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3:03
Inside the Search for Planet Nine

Inside the Search for Planet Nine

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3:14
Six Ways Quantum Computers Could Change the World

Six Ways Quantum Computers Could Change the World

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3:50
Astronomers Photograph 2 Newborn Planets for the First Time

Astronomers Photograph 2 Newborn Planets for the First Time

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2:41
The Science Behind This Sleight of Hand

The Science Behind This Sleight of Hand

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0:46
How Did the Moon Come to Be?

How Did the Moon Come to Be?

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1:01
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NOVA

Why Fires Move Faster Up a Hill than Down

Paradise, California's Camp Fire accelerated as it moved uphill. U.S. Department of Agriculture scientists conduct an experiment to discover why.
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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.
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.
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