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The Conversation USA

ATMs dispense more than money: The dirt and dope that's on your cash

  • Written by Johanna Ohm, Graduate Student in Biology, Pennsylvania State University
imageThose keypads are teeming with microbes.AP Photo/Charlie Riedel

We live in a dirty world. Wherever we go, we are among microbes. Bacteria, fungi and viruses live on our phones, bus seats, door handles and park benches. We pass these tiny organisms to each other when we share a handshake or a seat on the plane.

Now, researchers are finding we also...

Read more: ATMs dispense more than money: The dirt and dope that's on your cash

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