Stuff You Should Know


Society & Culture

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How do landfills work? How do mosquitos work? Join Josh and Chuck as they explore the Stuff You Should Know about everything from genes to the Galapagos in this podcast from HowStuffWorks.com.

Does the five-second rule work?

January 17th, 2013

Episode 525 of 1076 episodes

If you drop a piece of food and pick it up within five seconds, is it still good to eat? Researchers have studied this and have also inadvertently shone a light on how utterly covered our world is with bacteria and germs. Prepare to shudder.

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