Is the 5-Second Rule true?
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If we pick up dropped food quickly, is it still safe to eat? How quickly does bacteria on the floor move to the food? Some people call it the “5-Second Rule” or the “10-Second Rule,” even the “2-Second Rule.” But is there any truth to it, or is it just something we say to allow us to eat food off the ground? Vsauce investigates.
What did the researchers find when they dropped food on salmonella- contaminated floor surfaces?
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
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- Video created by Vsauce
- Lesson Plan created by Lauren McAlpine
