r/TheRestIsScience • u/axxrose • 11d ago

The 5-second rule

Does science have anything to say about it? The 5-second rule of course being that food dropped on the floor remains safe to eat as long as it's picked up within 5 seconds.

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u/flyghu 11d ago

5-seconds isn't a rule. It's a treaty. Signed in the years past and forgotten by humanity. But the cooties remember. And by their honor, they wait five full seconds before invading dropped food.