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.
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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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