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How Do Hydrangeas Change Colors?

How Do Hydrangeas Change Colors?

Season 5 Episode 22
5:05
Hydrangeas and the Science of Do-Overs

Hydrangeas and the Science of Do-Overs

Season 5 Episode 24
4:10
Why Does Stinky Cheese Stink?

Why Does Stinky Cheese Stink?

Season 5 Episode 25
4:57
How Air Conditioning Works

How Air Conditioning Works

Season 5 Episode 27
4:23
Will This Pop a Balloon?

Will This Pop a Balloon?

Season 5 Episode 29
8:11
Can You Take Expired Drugs?

Can You Take Expired Drugs?

Season 5 Episode 30
3:25
How Plastic Recycling Actually Works

How Plastic Recycling Actually Works

Season 5 Episode 31
3:01
What are Eye Boogers?

What are Eye Boogers?

Season 5 Episode 33
1:47
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Reactions

Are We Breathing Caesar's Last Breath

Season 5 Episode 21

Are you breathing air molecules that were once exhaled by Caesar, Joan of Arc, or Madame Curie? And why did Albert Einstein try to break into the refrigerator business? We talked to writer Sam Kean, author of science books like Caesar’s Last Breath and The Disappearing Spoon.

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The Antibiotic Resistance War
13:06
Why Alex is terrified of antibiotic resistance, and what chemists are doing about it
Are Vanadium Flow Batteries Worth the Hype?
9:01
Are liquid, virtually fireproof, recyclable batteries the future of grid-scale storage?
An Antidote for Deadly Mushrooms?
11:39
Join George as he hunts for an antidote to deadly mushrooms.
Why You Can't Recycle Your Pants (Until Now)
12:15
George tests a newly discovered technique that could solve a recycling problem.
How is Ceviche "Cooked?"
11:46
How does lime juice turn raw fish into delicious ceviche? We explain with biochemistry!
Burning Forever Chemicals With Water
10:31
Forever Chemicals last… forever. Can a new technology finally send them to their doom?
The Bioconcrete Revolution (maybe)
8:21
Reducing the carbon footprint of concrete and cement by relying on biology.
Why are Mosquitos So Obsessed with Me?
9:13
Mosquitos really do prefer some people over others, and this Reactions ep explains why!
The End of Haber Bosch
13:50
Discover the single most important chemical reaction on Earth, and why we need to kill it.
What is Amorphous Ice?
9:38
This week Reactions dives into something truly out-of-this-world: amorphous ice.
Lab-grown, Plant-based, Real – What Is The Chemistry Of Meat
15:51
Are we about to re-define meat? If so, what is meat?!
But HOW Does Carbon Dioxide Trap Heat?
11:48
How do carbon dioxide molecules trap heat in our atmosphere?
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