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I like this one considering every lab jockey/scientist has a beard ha ha
'Public health, for the finding that beards let some microbiologists take dangerous work home with them: During my time in the lab, the general worry was that things falling out of my beard might contaminate a sample. But, for those who work on disease-causing bacteria, the fear is actually reversed: aerosols coming off the bacteria might land dangerous organisms in the beard for transfer outside the lab. The fear is apparently real, as, "beards retained microorganisms and toxin[s] despite washing with soap and water."
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