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What's That After-Rain Smell Made Of?

What's That After-Rain Smell Made Of?

Season 5 Episode 11
3:58
Why Can’t You Buy Fresh Olives?

Why Can’t You Buy Fresh Olives?

Season 5 Episode 12
3:15
Burning Ice from the Ocean Floor

Burning Ice from the Ocean Floor

Season 5 Episode 14
3:44
How Do Airbags Work?

How Do Airbags Work?

Season 5 Episode 15
3:11
Does Melatonin Do Anything?

Does Melatonin Do Anything?

Season 5 Episode 16
4:22
How Milk Becomes Cheese

How Milk Becomes Cheese

Season 5 Episode 17
6:44
How Seashells Are Made

How Seashells Are Made

Season 5 Episode 20
3:43
Are We Breathing Caesar's Last Breath

Are We Breathing Caesar's Last Breath

Season 5 Episode 21
5:24
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Reactions

Cow Burps Are Warming the Planet

Season 5 Episode 9

Cows burp up a lot of methane thanks to the chemistry of their digestion. And since methane is a greenhouse gas, our beef and dairy have huge climate change consequences. This week on Reactions, we cover the gassy science of cow guts.

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Season
The Science of How Life Started
8:08
We explore how are we using what we know to look for it throughout the galaxy.
COVID, One Year Later: What Do We Know Now?
8:08
We’re catching up with experts we talked to at the start of the pandemic.
Why Doesn’t Banana Candy Taste Like Banana?
10:04
We tracked it down to investigate if it’s as “banana-y” as the myth claims.
Why is Breast Milk Special (Making Better Formula)
7:26
We explore the sugar molecules in breast milk that make it so difficult to recreate.
The Science of Kombucha
8:12
We find out what it is and push its limits.
Why Does Fall Smell So Good?
7:25
What’s the chemistry behind those smells, and why do they make us so happy?
Do Your Dog’s Paws Smell Like Fritos?
4:45
The answer is yes! In this episode, we explore why.
How Can Fertilizer Explode?
6:10
Spoiler Alert! It's because of the ammonium nitrate.
We Found The Best Hot Pepper Cure (It’s Not Milk)
8:34
Sam and George suffer for science to find the best cure.
Color Changing Tea
4:00
Sam and George experiment with this tea to play with its spectacular colors.
Why Did the Sky Turn Orange in San Francisco?
3:54
We break down the Mars-like haze and how climate change is involved.
How Can A Margarita Do This?
3:47
We explore why margaritas have such an effect on the body when making it.
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