India, April 16 -- A Chicago scientist has gone viral for putting the age-old "five-second rule" to the test and his results are enough to make anyone rethink snacking off the floor. Nicholas Aicher, a senior quality control analyst, conducted a petri dish experiment to scientifically assess how quickly bacteria transfer to food dropped on the ground, reported the New York Post.

"I thought it would be fun for people to know all the little nastiness that we don't think about every day," Aicher told Jam Press.

On his TikTok channel, where he's gathered nearly 450,000 followers, Aicher is known for testing the cleanliness of everyday surfaces, including toothbrushes, gas pump handles, and even a dog's mouth.

For this particular test, he p...