fingerprint

We all know that as we type on our keyboards or click our mice, we leave behind fingerprints that could be used to deduce our identities. But these prints aren't the only remnants of our presence. Bacteria from our skins also linger on the things we touch and they could act as a sort of living fingerprint. The thriving community of bacteria and other microscopic passengers on our skin has many traits of interest to a forensic scientist. For a start, they are remarkably personal in their membership and stable over time. Just 13% of the bacteria on my palm also live on yours, and even…
USA Today reports the curious case of a Singapore man who was detained for several hours by airport security when they couldn't find his fingerprints. The man, who was taking capecitabine as part of chemotherapy treatment, suffered from hand-foot syndrome, a side effect of the drug where skin peels off. His oncologist describes the unusual case today in an online letter to the Annals of Oncology. The problem is not as rare as you might think. Around one in 50 people in the world lack identifiable fingerprints; an official from the Department of Homeland Security reported "We have standard…