Like HowStuffWorks on Facebook!

Stuff You Should Know

Don't Be Dumb: Is Urine Sterile?

Have you ever heard that urine is sterile? Consider the possibility that the person who told you that really just wanted to pee on you. Josh sets you straight.


Most Watched in Stuff You Should Know

Most Watched in Stuff You Should Know
10:19

Stuff You Should Know: Internet Roundup: The Worst Study Ever? & The World's Oldest Person

Most Watched in Stuff You Should Know
0:41

Stuff You Should Know: Welcome to Stuff You Should Know

Most Watched in Stuff You Should Know
8:02

Stuff You Should Know: Internet Roundup: The Atomic Hard Drive & Horrific Workplace Safety Videos

Most Watched in Stuff You Should Know
8:20

Stuff You Should Know: Internet Roundup: The Ugliest Color & A Beer/Whiskey Blend

Most Watched in Stuff You Should Know
3:02

Stuff You Should Know: Don't Be Dumb: Light as a Feather, Stiff as a Board

Most Watched in Stuff You Should Know
9:14

Stuff You Should Know: Internet Roundup: The Jerk of the Year & A Toothy Teratoma

Most Watched in Stuff You Should Know
6:02

Stuff You Should Know: Internet Roundup: How Your Income Affects Drinking & The Man Who Mailed Himself

Most Watched in Stuff You Should Know
7:24

Stuff You Should Know: You Better Believe It! Porn-Sniffing Dogs & Running with the Bulls

Most Watched in Stuff You Should Know
8:21

Stuff You Should Know: Internet Roundup: Reviving a Shipwrecked Beer & Being Sweaty

Most Watched in Stuff You Should Know
6:54

Stuff You Should Know: Internet Roundup: Germany Reissues 'Mein Kampf' & the Mysterious Bread Face Blog

Most Watched in Stuff You Should Know
8:28

Stuff You Should Know: Internet Roundup: Grappa's Comeback & Hospital Clowning

Most Watched in Stuff You Should Know
1:55

Stuff You Should Know: Don't Be Dumb: Eight Glasses of Water a Day


Recent Videos in Stuff You Should Know

Recent Videos in Stuff You Should Know
10:19

Stuff You Should Know: Internet Roundup: The Worst Study Ever? & The World's Oldest Person

Recent Videos in Stuff You Should Know
9:21

Stuff You Should Know: Internet Roundup: Lefty Grenades & The Exclamation Point!

Recent Videos in Stuff You Should Know
7:54

Stuff You Should Know: Internet Roundup: Mexico's Drug Bazooka & NYC Subway Monsters

Recent Videos in Stuff You Should Know
7:31

Stuff You Should Know: Internet Roundup: Indonesia's Blowin' Up Boats & Simulating Pompeii

Recent Videos in Stuff You Should Know
11:16

Stuff You Should Know: Internet Roundup: China's Housing Bubble & The Man in the Steel Cylinder

Recent Videos in Stuff You Should Know
11:43

Stuff You Should Know: Internet Roundup: Cow Urine in High Demand & A Superhero Wake

Recent Videos in Stuff You Should Know
8:17

Stuff You Should Know: Internet Roundup: Ongoing Human Evolution & Unauthorized Merit Badges

Recent Videos in Stuff You Should Know
9:09

Stuff You Should Know: Internet Roundup: DNA Clothing & An Unearthed Coffin

Recent Videos in Stuff You Should Know
8:02

Stuff You Should Know: Internet Roundup: The Atomic Hard Drive & Horrific Workplace Safety Videos

Recent Videos in Stuff You Should Know
8:20

Stuff You Should Know: Internet Roundup: The Ugliest Color & A Beer/Whiskey Blend

Recent Videos in Stuff You Should Know
6:36

Stuff You Should Know: Internet Roundup: Bog Butter & Exploring Jupiter

Recent Videos in Stuff You Should Know
8:21

Stuff You Should Know: Internet Roundup: Reviving a Shipwrecked Beer & Being Sweaty