Study Of Spit To Learn How Germs Spread

Study Of Spit To Learn How Germs Spread

Girl sneezing 

Mark Nicas has given some of his best years to spittle. He builds models – the mathematical kind – of how someone else’s slobber ends up on you. The size of the particles, whether they come out in a dry cough or a wet sneeze, their evaporation rate, air speed – these are all complications, reasons why people like Nicas can spend careers piling up academic papers, all the while building up a healthy respect for pathogens.

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