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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
Why Do Deep Sea Creatures Look So Scary?

Why Do Deep Sea Creatures Look So Scary?

Season 1 Episode 38
3:22
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
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
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Gross Science

How Far Do Sneezes and Vomit Travel?

Season 1 Episode 32

Germs can travel way farther than you might think.
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