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The 5-Second Rule Investigated

j-beda writes "Here is an interesting report on a student project about the 5-second rule: ' If You Drop It, Should You Eat It? Scientists Weigh In on the 5-Second Rule.' 'According to Clarke, a senior at the Chicago High School for Agricultural Sciences, the 5-second rule dates back to the time of Genghis Khan, who first determined how long it was safe for food to remain on a floor when dropped there. Khan had slightly lower standards, however; he specified 12 hours, more or less.' How long can you safely leave dropped food on the floor before picking it up to eat? You know you've always wanted to have the definitive answer ..."

15 of 112 comments (clear)

  1. Findings don't just apply to floors by tessaiga · · Score: 5, Funny

    Among Clarke's findings:

    --Cookies and candy are much more likely to be picked up and eaten than cauliflower or broccoli.

    I find the same thing applies to cookies and candies on plates too.
    --
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  2. I use the five hair rule by karmavore · · Score: 5, Funny

    I have a dog, four cats a wife two daughters and a niece. If it comes off the ground with more than 5 hairs or if a hair is more than 5 inches it's no good.

    --
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  3. More importantly, by schmaltz · · Score: 4, Interesting

    If somebody else is there and witnesses the food item's descent and impact, does that affect your decisionmaking, regardless of 5 seconds or 12 hours?

    --
    Big Daddy, Johnny, Burp, Aunt Zelda, Scott, Slurp, Big Momma ... where's Siggy?
  4. Not the floor by Alethes · · Score: 4, Funny

    It depends on much more important factors than the cleanliness of the floor:

    1) How hungry I am
    2) How good the food is
    3) How able I am to replace the food I dropped

    Health be damned!

  5. Re:Only One Suprise, Guess At The 12 Hour Rule by skwirlmaster · · Score: 4, Insightful

    Perhaps a "average" woman's floor is clearner than the average man's. The before mentioned would-I-eat-off-this-floor rule comes into play.
    My experience (at least in high school and college) that my buddies floors were quite unsanitariy.

    --
    My inner self is ineffable, so don't eff with me.
  6. Re:um, yuck by pauljlucas · · Score: 4, Informative
    Do you know how many bacteria, yeast, and fungus are on the floor? Your really eating foot-fungus when you eat something that just fell on the floor.
    Do you know how many bacteria, yeast, and fungus, not to mention dried snot from people wiping their noses, are on handrails, doornobs, and kitchen counters? You're really just eating everything that hands have touched (unless you are religious about washing your hands before eating, and not touching anything else while eating).
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  7. Lousy Experiment by Red+Pointy+Tail · · Score: 4, Funny

    Taking samples of 1 square inch and monitoring it for microbes and spores? What a lousy experiment.

    What they should do is to hire 500 students to continually drop food and candy on the floor, pick it up again for consumption, and then monitor their well-being over the course of many weeks. Those wimps ;)

  8. Re:um, yuck by Alizarin+Erythrosin · · Score: 5, Funny

    That would explain this case of athlete's stomach...

    --
    There are only 10 kinds of people in this world... those who understand binary and those who don't
  9. Re:um, yuck by vericgar · · Score: 5, Informative

    Actually, if you had read the article, they were surprised at how little of that stuff really was on the floor....

  10. Re:I use the five hair rule by Anonymous Coward · · Score: 4, Funny
    Double Tard.
    You had to be crude, but then you couldn't even do it right.

    He's bragging that he's surrounded by all that pussy.

    That way you include the cats.

  11. so how long does it take? by Mr.Coffee · · Score: 5, Funny

    I , for one, am outraged! the article stated that the E.coli bacteria transferred to the gummy bears in 5 seconds, but they didn't do any testing to see what the minimal time for safety was. how am i supposed to know how long that cookie is still good for?

    --
    Cogito Eggo Sum, I think therefore I'm a waffle
  12. I'm stickin with it by Stubtify · · Score: 4, Funny

    if you have e. coli on your floors the 5 second rule is the least of your worries.

  13. 5 second rule? by Kowh · · Score: 5, Funny

    The five second rule is stricted enforced around here. In fact, usually we don't even get all five seconds. Any dropped food instantly becomes property of the canine clean-up service, and they don't take kindly to "take-backs".

    Or rather they do, but they look at you with puppy dog eyes and you're forced to drop the food again.

  14. Re:Deep Fry It by richie2000 · · Score: 4, Funny
    In some resturaunts if it falls on the floor it just gets deep fried for a few seconds. I think you can deep fry just about anything...

    I just want to know how they get the floor to fit in the fryer.

    --
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  15. Stinky Meat by jbarr · · Score: 4, Insightful

    For a truely (almost) scientific look at what happens when you leave food out, check out the Stinky Meat Project.

    Not for the faint of heart...

    --
    My mom always said, "Jim, you're 1 in a million." Given the current population, there are 7000 of me. God help us all!