SYSK Selects: Does the five-second rule work? | WBEZ
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SYSK Selects: Does the five-second rule work?

You know when you drop a piece of food and if you pick it up within five seconds it's still good to eat? Researchers have studied whether that's true or not and in doing so have inadvertently shone a light on how utterly covered our world is with bacteria and germs. Prepare to shudder in this episode of Stuff You Should Know.

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