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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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EU’s Ban On Tattoo Ink: Breaking Down the Chemistry
10:37
Why has the European Union banned certain colors for tattoos?
Why Are Electric Vehicle Fires So Hard To Put Out?
12:29
Can we solve electric vehicle fires before we fully understand what’s happening?
How a Chemist Makes the Softest Bread You'll Ever Eat
15:58
Fluffy, delicious bread results when starch gelatinization and flour chemistry combine!
Why Calcium Hydroxide + Corn is Key to Understanding Western
12:35
Join George (and, occasionally, Andrew) as they chart corn’s epic chemical journey.
74,963 Kinds of Ice
10:46
We explore and learn anywhere between the 20 and 74,963 kinds of ice.
Time to Strike Antifreeze Off Your List of Usable Poisons
10:34
For years it was used in homicidal poisonings. We learn what made it so dangerous.
What Science Says About Brining Your Bird
12:40
We explore brining and whether or not it makes a different when cooking the turkey.
Some Sugar Free Gummy Bears Are Laxatives. No, Really.
15:23
We dive into the science to figure out how to make gummies without the side effects.
Is DNA the Future of Data Storage?
18:01
There are a few obstacles to overcome before we get there.
Why Does Salt Change the Taste of Everything?
13:15
Come along on George’s epic journey into the wilds of salt science!
How Roundup Kills Weeds (And How Weeds are Fighting Back)
9:41
Weeds are building a defense against today's herbicides.
Carbon Structures from Pencils to Jetpacks
17:15
We explore how far carbon structures are from revolutionizing the world.
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