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What Is the Black Plague... And Should You Be Worried?

osemite National Park just shut down two campgrounds due to the plague. Should you be worried?
Season 1 Episode 22 Length 03:02 Premiere: 08/18/17

Gross Science

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Season 1 Episodes

Could We Rid The World Of Mosquitoes?
S1 E40 Length 05:35 Premiere Date 08/18/17

What Really Causes Cavities?
S1 E39 Length 03:23 Premiere Date 08/18/17

Why Do Deep Sea Creatures Look So Scary?
S1 E38 Length 03:22 Premiere Date 01/11/16

Build Your Own Microscope
S1 E37 Length 03:00 Premiere Date 01/04/16

Why Do You Get Sick After Exams?
S1 E36 Length 02:22 Premiere Date 12/28/15

How To Make Glow-In-The-Dark Slime!
S1 E35 Length 02:54 Premiere Date 08/18/17

5 Gross Facts About Koalas
S1 E33 Length 03:20 Premiere Date 08/18/17

How Far Do Sneezes and Vomit Travel?
S1 E32 Length 02:44 Premiere Date 08/18/17

Why Don't Vultures Get Food Poisoning?
S1 E31 Length 02:20 Premiere Date 08/18/17

Can Microbes Solve Murder Mysteries?
S1 E30 Length 03:47 Premiere Date 08/18/17

How Dirty Are Public Restrooms?
S1 E29 Length 02:45 Premiere Date 08/18/17

Much A-Doo About Poo
S1 E28 Length 03:40 Premiere Date 08/18/17

Why Get Your Tetanus Shot?
S1 E27 Length 02:42 Premiere Date 08/17/17

The Horrors of Ancient Cataract Surgeries
S1 E26 Length 02:39 Premiere Date 08/18/17

Three Ways Pee Could Change the World
S1 E25 Length 03:09 Premiere Date 08/17/17

White Sand Beaches Are Made of Fish Poop
S1 E24 Length 02:09 Premiere Date 08/17/17

These Animals Use Poop to Protect Themselves
S1 E23 Length 02:00 Premiere Date 08/17/17

What Is the Black Plague... And Should You Be Worried?
S1 E22 Length 03:02 Premiere Date 08/18/17

Can Spider Venom Cure Erectile Dysfunction?
S1 E21 Length 02:31 Premiere Date 08/18/17

What Can You Learn From Ancient Poop?
S1 E20 Length 02:49 Premiere Date 08/18/17

Why Neuroscientists Love Kinky Sea Slugs
S1 E19 Length 01:49 Premiere Date 08/18/17

Why Don't These Cicadas Have Butts?
S1 E18 Length 02:26 Premiere Date 08/17/17

Would You Wear Clothing Made of Slime?
S1 E17 Length 01:49 Premiere Date 08/18/17

These Baby Toads Burst Out Of Their Mom's Back
S1 E16 Length 01:41 Premiere Date 08/18/17

What are Tonsil Stones?
S1 E15 Length 02:24 Premiere Date 08/17/17

Barnacle Penises Can Teach You A Ton About Biology
S1 E14 Length 02:16 Premiere Date 08/18/17

The Strangest Use For Bacon... Ever?
S1 E13 Length 02:36 Premiere Date 08/18/17

What Lives In Cheese?
S1 E12 Length 02:47 Premiere Date 08/18/17

You Have Mites Living On Your Face
S1 E11 Length 01:56 Premiere Date 08/18/17

What Can Herpes Do To Your Brain?
S1 E10 Length 02:58 Premiere Date 08/18/17

Why Most Sand Tiger Sharks Die in the Womb
S1 E9 Length 02:23 Premiere Date 08/18/17

Can Cocaine Make Your Ears Rot?
S1 E8 Length 02:32 Premiere Date 08/18/17

Why Do These Babies Eat Their Mother's Skin?
S1 E7 Length 02:28 Premiere Date 08/18/17

Could Kangaroo Farts Curb Global Warming?
S1 E5 Length 02:26 Premiere Date 08/18/17

Can Poop Cure an Infection?
S1 E4 Length 02:47 Premiere Date 08/18/17

Sea Cucumber Evisceration
S1 E3 Length 02:33 Premiere Date 08/18/17

Death of Dragon Worms
S1 E2 Length 02:47 Premiere Date 08/17/17

How Different Diseases Make You Smell
S1 E1 Length 02:04 Premiere Date 04/08/15

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