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These Animals Use Poop to Protect Themselves

These Animals Use Poop to Protect Themselves

Season 1 Episode 23
2:00
White Sand Beaches Are Made of Fish Poop

White Sand Beaches Are Made of Fish Poop

Season 1 Episode 24
2:09
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
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Gross Science

What Is the Black Plague... And Should You Be Worried?

Season 1 Episode 22

osemite National Park just shut down two campgrounds due to the plague. Should you be worried?
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