Science-U: Testing the “5 Second Rule”
wpsu.org
Science-U: Testing the “5 Second Rule”
Would you eat food that you dropped on the floor if you picked it up in less than five seconds? People call it “the five second rule” but is it true or false?
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Danni and Krystyna determine if food that’s fallen on the floor is safe to eat if you pick it up within five seconds. Our test dummies Aj, Fabiana, and Spencer take pizza and bagels to Prospect park intentionally drop them on different surfaces. We thenswab them for bacteria and bring the swabs to the Columbia University Lab to develop on petri dishes for 72 hours. Once they develop Dr. Susan Wittier helps us determine what bacteria is present on food after five seconds of exposure on different
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Danni and Krystyna determine if food that’s fallen on the floor is safe to eat if you pick it up within five seconds. Our test dummies Aj, Fabiana, and Spencer take pizza and bagels to Prospect park intentionally drop them on different surfaces. We thenswab them for bacteria and bring the swabs to the Columbia University Lab to develop on petri dishes for 72 hours. Once they develop Dr. Susan Wittier helps us determine what bacteria is present on food after five seconds of exposure on different
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YouTubeEggsPlayWorld
Danni and Krystyna determine if food that’s fallen on the floor is safe to eat if you pick it up within five seconds. Our test dummies Aj, Fabiana, and Spencer take pizza and bagels to Prospect park intentionally drop them on different surfaces. We thenswab them for bacteria and bring the swabs to the Columbia University Lab to develop on petri dishes for 72 hours. Once they develop Dr. Susan Wittier helps us determine what bacteria is present on food after five seconds of exposure on different
6:57
Danni and Krystyna determine if food that’s fallen on the floor is sa…
已浏览 12.3万 次2019年3月27日
FacebookScience the $#!* out of it
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