Mandy writes, "I am actually a microbiologist, but my side interest is the trilobite. I went in thinking I'd just get a small black outline of a trilobite, and the tattoo artist was so excited that I wanted a trilobite, and insisted on designing something more complicated for me. So attached is a photo of my right foot. It's like a pet trilobite that follows me everywhere." Click here to go to the full Science Tattoo Emporium.