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The Historyscoper's Science and Technology Watch Blog Apr. 2, 2015

Saturday, December 11, 2021

Does the 5-second rule work? Scientist explains what happens when food falls to the floor.

https://vstories.medium.com/does-the-5-second-rule-work-scientist-explains-what-happens-when-food-falls-to-the-floor-696bae02efa5 

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