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: Can Chuck Feel Josh's Pain?
People with mirror-touch synesthesia literally feel the pain of others -- but why? Tune in as Josh and Chuck explain the fascinating mechanics of mirror neurons in this exclusive video from HowStuffWorks.com and the Science Channel.
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