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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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Dinosaur Parasites!
2:43
Season 2 Episode 37
Dinosaur Parasites!
Even the mighty T. rex was covered in creepy, crawly parasites.
What Happens When You Get Rabies?
4:59
Season 2 Episode 36
What Happens When You Get Rabies?
Rabies may have lead to legends of werewolves, vampires, and zombies.
Why Does This Frog Have So Many Legs?!
2:42
Season 2 Episode 35
Why Does This Frog Have So Many Legs?!
These frogs can have up to TEN back legs.
The Case For Eating Bugs
3:59
Season 2 Episode 34
The Case For Eating Bugs
I ate a lot of bugs...and (mostly) liked them.
Grow Your Own Crystals!
3:31
Season 2 Episode 33
Grow Your Own Crystals!
What should you do with the borax you have leftover from making slime?
What Does Lead Poisoning Do To Your Brain?
4:46
Season 2 Episode 32
What Does Lead Poisoning Do To Your Brain?
How does lead damage our brains—and what can we do to stop it?
Are Bees the Addicts of the Animal Kingdom?
4:16
Season 2 Episode 31
Are Bees the Addicts of the Animal Kingdom?
Bees get more than just nectar from the flowers they visit.
Meet The Frog That Barfs Up Its Babies
4:46
Season 2 Episode 30
Meet The Frog That Barfs Up Its Babies
These extinct frogs used to barf up their babies.
The Strangest Plant In The World?!
4:05
Season 2 Episode 28
The Strangest Plant In The World?!
The plant Hydnora africana is a parasite that smells foul...
What Your Earwax Says About You
3:42
Season 2 Episode 27
What Your Earwax Says About You
Your gross earwax can reveal a ton about who you are.
Is Fear Contagious? | Gross Science
5:24
Season 2 Episode 26
Is Fear Contagious? | Gross Science
Fear may be able to spread from person to person—just like a virus.
Everything You Didn't Want To Know About Snot
4:25
Season 2 Episode 25
Everything You Didn't Want To Know About Snot
You swallow a ton of snot every single day. Welcome to the gross world of mucus.
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