Your Body Is Surrounded by Clouds of Skin and Fart Bacteria - WIRED

Everywhere you go, in everything you do, you are surrounded by an aura of microbes. They drift down from your hair when you scratch your head, they fly off your hand when you wave to your friend, they spew out of your mouth when you talk. Even when you sit around doing nothing, you’re sitting in your own, personal microbial bubble.

Made up of millions, billions, trillions of bacteria, yeast, cells, and cell parts, this bubble is actually more like a cloud—a cloud, new research suggests, that is unique to you. And as gross as it is to imagine everyone around you shedding microbial bits and pieces into the air, studying those clouds can be useful for people like doctors tracking down disease outbreaks and cops tracking down criminals.

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