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Do Astronauts Need Sunscreen?

Do Astronauts Need Sunscreen?

Season 5 Episode 39
5:03
How is Leather Made?

How is Leather Made?

Season 5 Episode 41
4:03
Why Does Humidity Feel Gross?

Why Does Humidity Feel Gross?

Season 5 Episode 42
4:55
What Makes Kimchi So Delicious?

What Makes Kimchi So Delicious?

Season 5 Episode 45
4:39
How Does Low-Dose Aspirin Work?

How Does Low-Dose Aspirin Work?

Season 5 Episode 47
4:27
Can Plastic Be Composted?

Can Plastic Be Composted?

Season 5 Episode 48
4:33
Citrus Scent DEBUNKED!

Citrus Scent DEBUNKED!

Season 5 Episode 49
3:48
Why Flamingos Are Pink and Hardcore

Why Flamingos Are Pink and Hardcore

Season 5 Episode 50
3:32
Does Shaving Cream Do Anything?

Does Shaving Cream Do Anything?

Season 5 Episode 51
8:15
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Reactions

How Do You Catch Fruit Flies?

Season 5 Episode 38

You catch more flies with honey than with vinegar--or do you? This week on Reactions, we explain the chemistry behind why fruit flies love vinegar so much, some entomologists call them “vinegar flies.”

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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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