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Gross Science
Three Ways Pee Could Change the World
Season 1
Episode 25
We can use urine to make medicines, power cell phones, and create “pee-cycled” water.
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2:43
Even the mighty T. rex was covered in creepy, crawly parasites.
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4:59
Rabies may have lead to legends of werewolves, vampires, and zombies.
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2:42
These frogs can have up to TEN back legs.

3:59
I ate a lot of bugs...and (mostly) liked them.

3:31
What should you do with the borax you have leftover from making slime?

4:46
How does lead damage our brains—and what can we do to stop it?

4:16
Bees get more than just nectar from the flowers they visit.

4:46
These extinct frogs used to barf up their babies.

4:05
The plant Hydnora africana is a parasite that smells foul...

3:42
Your gross earwax can reveal a ton about who you are.
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5:24
Fear may be able to spread from person to person—just like a virus.

4:25
You swallow a ton of snot every single day. Welcome to the gross world of mucus.