Stuff You Should Know

Don't Be Dumb: When Are You Contagious When You're Sick?

You know how people tell you they're not contagious when they're sick? They don't know. Learn about the real deal on when you're contagious here.


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Stuff You Should Know: Internet Roundup: Google's Hive-Mind Robot Arms & the Coyote Vest for Your Pets

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Stuff You Should Know: India's Push for Solar Power & Smithers Comes Out

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Stuff You Should Know: Internet Roundup: Aurora Police Can Shoot at Moving Cars & Some Bitchin' Vans

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Stuff You Should Know: Internet Roundup: Your Employer Wants to Know If You're Gay & Trapped in an Elevator

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Stuff You Should Know: Internet Roundup: Limericks for Erdogan & Reddit's FISA Transparency Report

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Stuff You Should Know: Internet Roundup: Icelandic Incest & London's Armed Raiders

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Stuff You Should Know: Internet Roundup: Medical Marijuana for Dogs & Street Art

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Stuff You Should Know: Internet Roundup: Ocean Acidification & the First U.S. Uterus Transplant

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

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

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Stuff You Should Know: Internet Roundup: Japan's Suicide Forest & the Salmon Cannon

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Stuff You Should Know: This Day in History: Johnny Cash Performs at Folsom Prison


Recent Videos in Stuff You Should Know

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Stuff You Should Know: Internet Roundup: Limericks for Erdogan & Reddit's FISA Transparency Report

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Stuff You Should Know: India's Push for Solar Power & Smithers Comes Out

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Stuff You Should Know: Internet Roundup: Aurora Police Can Shoot at Moving Cars & Some Bitchin' Vans

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Stuff You Should Know: Internet Roundup: Google's Hive-Mind Robot Arms & the Coyote Vest for Your Pets

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Stuff You Should Know: Internet Roundup: Your Employer Wants to Know If You're Gay & Trapped in an Elevator

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Stuff You Should Know: England's Septuagenarian Jewelry Heist & the World's Cutest Rodent

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Stuff You Should Know: Saving the Whales with Porn & Jailed for Tweeting

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Stuff You Should Know: The Los Lunas Decalogue Stone & Target's Gender-Neutral Pillow Fort

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Stuff You Should Know: A 14-Year Old Aces AP Calculus & Western Europe's Ramblers

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Stuff You Should Know: Internet Roundup: Sirhan Sirhan's Parole Hearing & Raising the Minimum Wage

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Stuff You Should Know: Internet Roundup: The FBI Hosts A Child Porn Site & Bigfoot's 3D-Printed Skeleton

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HowStuffWorks Animations: Dark Fairy Tales