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Three Ways Pee Could Change the World

Three Ways Pee Could Change the World

Season 1 Episode 25
3:09
The Horrors of Ancient Cataract Surgeries

The Horrors of Ancient Cataract Surgeries

Season 1 Episode 26
2:39
Why Get Your Tetanus Shot?

Why Get Your Tetanus Shot?

Season 1 Episode 27
2:42
Much A-Doo About Poo

Much A-Doo About Poo

Season 1 Episode 28
3:40
How Dirty Are Public Restrooms?

How Dirty Are Public Restrooms?

Season 1 Episode 29
2:45
Can Microbes Solve Murder Mysteries?

Can Microbes Solve Murder Mysteries?

Season 1 Episode 30
3:47
Why Don't Vultures Get Food Poisoning?

Why Don't Vultures Get Food Poisoning?

Season 1 Episode 31
2:20
How Far Do Sneezes and Vomit Travel?

How Far Do Sneezes and Vomit Travel?

Season 1 Episode 32
2:44
5 Gross Facts About Koalas

5 Gross Facts About Koalas

Season 1 Episode 33
3:20
How To Make Glow-In-The-Dark Slime!

How To Make Glow-In-The-Dark Slime!

Season 1 Episode 35
2:54
Why Do You Get Sick After Exams?

Why Do You Get Sick After Exams?

Season 1 Episode 36
2:22
Build Your Own Microscope

Build Your Own Microscope

Season 1 Episode 37
3:00
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Gross Science

White Sand Beaches Are Made of Fish Poop

Season 1 Episode 24

Parrotfish poop out sand, and that’s just the beginning of what makes these guys weird.
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