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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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How much could cloth face masks help stop the spread of SARS-CoV-2?
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When can we expect a vaccine against the novel coronavirus?
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Sam learns whether cartoon chemistry actually checks out.
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Here's four Hours of a Cozy Fireplace for Your Nerdy Holiday Parties.
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7:58
Let's break down the chemistry of cryogenic freezing!
The Science of J. Kenji López-Alt's Roasted Potato Recipe
10:21
We use chemistry to create the roasted potatoes of your dreams!
World’s Deadliest (& Cutest) Animals
8:42
We break down the chemistry behind what makes these adorable critters deadly.
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