"I'm an evolutionary biologist who investigates the evolution of sperm form, sperm-female interactions and sperm competition. So...yeah, it's pretty much about sperm. Wanted to bring the concept of the homunculus to life, as all illustrations of it have always been rather cartoonish." --Scott Pitnick, Syracuse University The science tattoo collection now has 56 images. See the full set at flickr. Any more illustrated lurkers out there?