Skip to main content

Up Next

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
4 Deadly Carnivorous Plants

4 Deadly Carnivorous Plants

Season 2 Episode 8
5:40
What Really Causes Sunburns?

What Really Causes Sunburns?

Season 2 Episode 9
4:32
Are There Dead Wasps In Figs?

Are There Dead Wasps In Figs?

Season 2 Episode 11
4:52
Is Inbreeding Really That Bad?

Is Inbreeding Really That Bad?

Season 2 Episode 14
4:41
Back to Show
Gross Science

What Causes Runner's Diarrhea?

Ever get an uncontrollable urge to poop in the middle of a long run? You're not alone.

Support Provided By
Season
Dinosaur Parasites!
2:43
Even the mighty T. rex was covered in creepy, crawly parasites.
What Happens When You Get Rabies?
4:59
Rabies may have lead to legends of werewolves, vampires, and zombies.
Why Does This Frog Have So Many Legs?!
2:42
These frogs can have up to TEN back legs.
The Case For Eating Bugs
3:59
I ate a lot of bugs...and (mostly) liked them.
Grow Your Own Crystals!
3:31
What should you do with the borax you have leftover from making slime?
What Does Lead Poisoning Do To Your Brain?
4:46
How does lead damage our brains—and what can we do to stop it?
Are Bees the Addicts of the Animal Kingdom?
4:16
Bees get more than just nectar from the flowers they visit.
Meet The Frog That Barfs Up Its Babies
4:46
These extinct frogs used to barf up their babies.
The Strangest Plant In The World?!
4:05
The plant Hydnora africana is a parasite that smells foul...
What Your Earwax Says About You
3:42
Your gross earwax can reveal a ton about who you are.
Is Fear Contagious? | Gross Science
5:24
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
You swallow a ton of snot every single day. Welcome to the gross world of mucus.
Active loading indicator