A recent, unpublished, study by New York University has discovered that 3,000 kinds of bacteria can be found on a single dollar bill. Yeah, that's gross. But don't worry! There's no reason to overreact, according to the NYU biologists. “Microbes are so important, are very ubiquitous and they surround us all the time,” the director of NYU, Jane Carlton said. “We did find certain microbes that we might be a little concerned about, but that doesn’t mean that people should be unduly concerned.”
The Dirty Money Project by New York University analyzed DNA found on $1 bills in a study that was meant to identity health trends and bacteria in New York. Carlton, said "It was quite amazing to us. We actually found that microbes grow on money."
Only half of the 1.2 billion DNA segments found on the 80 $1 bills used for the study were found to be human. A few other gems found on the bills were E. Coli, Staph, and a bacteria that can cause stomach ulcers.
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