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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
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What are Eye Boogers?

What are Eye Boogers?

Season 5 Episode 33
1:47
What is Natto?

What is Natto?

Season 5 Episode 35
4:46
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Reactions

Surströmming: The Secrets of this Stinky Swedish Fish

Season 5 Episode 23

Surstromming, Swedish for sour herring, is legendary for its powerful stink. But it's all a result of the chemistry of preserving food. This week on Reactions, we learn about the world's smelliest food with help from the people who know it best.

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