Matt writes, “I took an alternate path to understanding the world from most of your readers. I switched from psychology to history in order to better research what really happened as opposed to what kids are taught in school. A concept that stuck with me and in fact is a critical reference point for me in every day life is our tendency to seek patterns and to see things that aren’t there. As a tribute to the fallibility of our complex brains my first tattoo is a visualization of the Gestalt Law of Closure.”

Click here to go to the full Science Tattoo Emporium.

Originally published July 13, 2010. Copyright 2010 Carl Zimmer.

The New York Times, July 12, 2010

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Dr. Alexander Khoruts had run out of options.

In 2008, Dr. Khoruts, a gastroenterologist at the University of Minnesota, took on a patient suffering from a vicious gut infection of Clostridium difficile. She was crippled by constant diarrhea, which had left her in a wheelchair wearing diapers. Dr. Khoruts treated her with an assortment of antibiotics, but nothing could stop the bacteria. His patient was wasting away, losing 60 pounds over the course of eight months. “She was just dwindling down the drain, and she probably would have died,” Dr. Khoruts said.

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