Probably the best reason to wash your hands regularly is that the world is covered in feces. New York City is particularly gross, and some of the most shared surfaces of this spend-friendly city are automated teller machines. Quite appropriately, the good scientists at New York University tested them for microbes. The study, published in the journal mSphere, included a hundredsome samples from eight neighborhoods across Manhattan, Brooklyn, and Queens, ranging from midtown to Flushing to Inwood to Ozone Park. “ATM surfaces, potentially retaining microbial signatures of human inhabitants … are interesting from both a biodiversity perspective and a public...