Skip to main content

Up Next

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
What Really Causes Cavities?

What Really Causes Cavities?

Season 1 Episode 39
3:23
Could We Rid The World Of Mosquitoes?

Could We Rid The World Of Mosquitoes?

Season 1 Episode 40
5:35
Three Facts About Periods

Three Facts About Periods

Season 2 Episode 1
5:14
Why Am I Obsessed With Gross Stuff?

Why Am I Obsessed With Gross Stuff?

Season 2 Episode 3
4:36
The World's Most Expensive Fungus

The World's Most Expensive Fungus

Season 2 Episode 5
2:26
Sea Turtles Get Herpes, Too

Sea Turtles Get Herpes, Too

Season 2 Episode 7
2:51
Back to Show
Gross Science

5 Gross Facts About Koalas

Season 1 Episode 33

Baby koalas eat their mom's poop... and that's just the beginning.

Support Provided By
Season
Plants Use An Internet Made of Fungus
4:08
It's called the "Wood Wide Web."
Sea Cucumbers Have Multipurpose Butts
3:13
Meet the most versatile butts in the animal kingdom.
The REAL Rudolph Has Bloody Antlers and Super Vision
4:26
Santa's reindeer just got a whole lot more interesting.
Can Bird Poop Make Clouds?
3:49
Bird poop could help clouds form, keeping our planet a little bit cooler. Gross!
Electronics Powered by Fish Scales
3:19
What should you do with stinky old fish skins? How about powering your cellphone?
Defensive Vomiting
2:48
If you're attacked you could run away, fight back...or you could barf. Gross!
Help a Snail Find True Love!
3:39
You can help a special snail find a mate—while also helping scientists unravel a mystery.
What Sound Does An Ant Make?
3:15
Ant language sounds wacky—and can be hacked.
The Chemistry of Skunk Spray
3:42
How do you get rid of skunk odor? Don't use tomato juice... use chemistry!
Why Do Dogs Eat Poop?
3:51
It's called "coprophagia," and lots of dogs do it.
Is Inbreeding Really That Bad?
4:41
Inbreeding...It's hugely taboo for us, but lots of organisms do it.
The Food Poisoning Lurking In Your Freezer
3:56
Listeria turns your own cells against you.
Active loading indicator