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What Causes Runner's Diarrhea?

What Causes Runner's Diarrhea?

Video
3:47
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
Hookworms and the Myth of the "Lazy Southerner"

Hookworms and the Myth of the "Lazy Southerner"

Season 2 Episode 4
4:16
The World's Most Expensive Fungus

The World's Most Expensive Fungus

Season 2 Episode 5
2:26
Science, Sex Bias, and...Ruth Bader Ginsburg?

Science, Sex Bias, and...Ruth Bader Ginsburg?

Season 2 Episode 6
3:54
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
How (and Why) to Make a Pill Out of Poop

How (and Why) to Make a Pill Out of Poop

Season 2 Episode 10
3:30
Are There Dead Wasps In Figs?

Are There Dead Wasps In Figs?

Season 2 Episode 11
4:52
The Food Poisoning Lurking In Your Freezer

The Food Poisoning Lurking In Your Freezer

Season 2 Episode 13
3:56
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Gross Science

The Castrating Zombie Parasite

This parasite makes male crabs think that they’re pregnant females.
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Plants Use An Internet Made of Fungus
4:08
Season 2 Episode 24
Plants Use An Internet Made of Fungus
It's called the "Wood Wide Web."
Sea Cucumbers Have Multipurpose Butts
3:13
Season 2 Episode 23
Sea Cucumbers Have Multipurpose Butts
Meet the most versatile butts in the animal kingdom.
The REAL Rudolph Has Bloody Antlers and Super Vision
4:26
Season 2 Episode 22
The REAL Rudolph Has Bloody Antlers and Super Vision
Santa's reindeer just got a whole lot more interesting.
Can Bird Poop Make Clouds?
3:49
Season 2 Episode 21
Can Bird Poop Make Clouds?
Bird poop could help clouds form, keeping our planet a little bit cooler. Gross!
Electronics Powered by Fish Scales
3:19
Season 2 Episode 20
Electronics Powered by Fish Scales
What should you do with stinky old fish skins? How about powering your cellphone?
Defensive Vomiting
2:48
Season 2 Episode 19
Defensive Vomiting
If you're attacked you could run away, fight back...or you could barf. Gross!
Help a Snail Find True Love!
3:39
Season 2 Episode 18
Help a Snail Find True Love!
You can help a special snail find a mate—while also helping scientists unravel a mystery.
What Sound Does An Ant Make?
3:15
Season 2 Episode 17
What Sound Does An Ant Make?
Ant language sounds wacky—and can be hacked.
The Chemistry of Skunk Spray
3:42
Season 2 Episode 16
The Chemistry of Skunk Spray
How do you get rid of skunk odor? Don't use tomato juice... use chemistry!
Why Do Dogs Eat Poop?
3:51
Season 2 Episode 15
Why Do Dogs Eat Poop?
It's called "coprophagia," and lots of dogs do it.
Is Inbreeding Really That Bad?
4:41
Season 2 Episode 14
Is Inbreeding Really That Bad?
Inbreeding...It's hugely taboo for us, but lots of organisms do it.
The Food Poisoning Lurking In Your Freezer
3:56
Season 2 Episode 13
The Food Poisoning Lurking In Your Freezer
Listeria turns your own cells against you.
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