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How Does Sunscreen Work?
Season 7
Episode 14
Does slathering on sunscreen do anything beyond preventing a sunburn? Can it actually stop us from getting wrinkles or skin cancer?
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3:06
Let's check out some crystal chemistry. Ahh some bright and shiny science.
2:27
We get to the bottom of Why dogs sniff each other’s butts. Spoiler: it's chemistry.
2:27
The "brazuca" is different from most other soccer balls out there, find out why.
6:31
We bring you all of the exciting sights and sounds of Fourth of July fireworks,
4:24
Turns out the creaminess of ice cream has little to do with cream.
1:59
We break down the chemistry of garlic, and how to beat the bad breath it causes.
4:15
We go behind the scenes at the Thomas Edison National Historical Park.
