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What will it take to get out of this pandemic?

What will it take to get out of this pandemic?

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28:19
How Wildfires and Ozone Led to Terrible Air Quality

How Wildfires and Ozone Led to Terrible Air Quality

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6:05
Unique Adaptations may Explain Bats' Resistance to Viruses

Unique Adaptations may Explain Bats' Resistance to Viruses

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3:02
Why are Bats Tolerant of the Diseases They Carry?

Why are Bats Tolerant of the Diseases They Carry?

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2:34
Lights Flashed in the Sky During Mexico's Latest Earthquake

Lights Flashed in the Sky During Mexico's Latest Earthquake

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4:40
Genetically Modifying Mosquitoes to Reduce their Numbers

Genetically Modifying Mosquitoes to Reduce their Numbers

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5:42
Cannabis Reverses Brain Aging in Mice

Cannabis Reverses Brain Aging in Mice

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3:51
A Veteran's Story of Medical Cannabis Use and Arrest

A Veteran's Story of Medical Cannabis Use and Arrest

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5:34
What is the Endocannabinoid System?

What is the Endocannabinoid System?

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3:49
CBD Helps Anxiety Patients in a Clinical Trial

CBD Helps Anxiety Patients in a Clinical Trial

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3:04
Why is Researching Cannabis so Hard?

Why is Researching Cannabis so Hard?

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3:39
How Some Parents Brought CBD to Market to Treat Epilepsy

How Some Parents Brought CBD to Market to Treat Epilepsy

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7:01
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NOVA

Toxic “Forever Chemicals” Found in Americans' Blood

What makes PFAS chemicals extremely useful — and extremely hard to get rid of — are bonds between carbon and fluorine atoms that are almost impossible to break.
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Ancient Earth: Life Rising
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53:47
Season 50 Episode 13
Ancient Earth: Life Rising
See how life made the leap to land, turning a barren landscape into a lush, green world.
Ancient Earth: Frozen
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53:46
Season 50 Episode 12
Ancient Earth: Frozen
How did life survive on a planet covered in ice from pole to pole?
Ancient Earth: Birth of the Sky
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53:47
Season 50 Episode 11
Ancient Earth: Birth of the Sky
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
Your Brain: Who's in Control?
53:31
Season 50 Episode 10
Your Brain: Who's in Control?
Dive into the subconscious to see what’s really driving the decisions you make.
Your Brain: Perception Deception
53:30
Season 50 Episode 9
Your Brain: Perception Deception
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
Hidden Volcano Abyss
53:19
Season 50 Episode 8
Hidden Volcano Abyss
Investigate one of the most powerful volcanic eruptions in recorded history.
Saving the Right Whale
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53:31
Season 50 Episode 7
Saving the Right Whale
Follow scientists determined to save the critically endangered right whale.
Chasing Carbon Zero
53:31
Season 50 Episode 6
Chasing Carbon Zero
Here’s how the U.S. could reach net-zero carbon emissions by 2050.
Weathering the Future
53:31
Season 50 Episode 5
Weathering the Future
Americans use ancient wisdom and new technology to fight extreme weather.
Nazca Desert Mystery
53:31
Season 49 Episode 17
Nazca Desert Mystery
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
Rebuilding Notre Dame
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53:43
Season 49 Episode 13
Rebuilding Notre Dame
A team tackles the restoration of iconic Notre Dame Cathedral.
Ice Age Footprints
53:43
Season 49 Episode 9
Ice Age Footprints
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
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