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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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2:51
How do we know the half-life of uranium? Can you recover gold dissolved in acid?
2:49
Cows burp up a lot of methane, and it has huge climate change consequences.
2:52
Fermentation turns these green and black preserved eggs into real Chinese comfort food.
4:16
We’ll show you a sneak peak at what really happens in forensics science lab.
Learn how your nose can go "blind" to some smells, and how sanitizers and mouthwash work.
3:04
These science-inspired life hacks should help improve your cold weather pick-me-up.
5:34
We look at the chemistry of gallium, the science behind the holes in the periodic table.
5:39
We break down the chemistry and science behind the controversial ingredient.
5:39
We explore the science and chemistry going on inside Theo Gray's periodic table table.
5:13
Watch as we use some acid know-how to tell a chemistry detective story.