Colm Ó Dúshláine writes,
“I got a tattoo of a double helix on my arm (see attached) to “mark” the occasion of the submission of my PhD thesis. I felt I should have something that records my passion for genetics in the same way that another one I have, a celtic knot, records my ancestry. Anyway, a year later, my research group starts up a collaboration with James Watson, co-discoverer of the structure of DNA. I thought it was pretty cool that I had the chance to meet him, so I showed him the tattoo! I was pleasantly surprised (and also felt VERY nerdy) when he at first couldn’t believe it was real!!”
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Originally published August 1, 2008. Copyright 2008 Carl Zimmer.