I did this guy a few months ago. I've just been too lazy to actually do anything about it. This one is called "Business as Usual" Its digital at 18x14. The molecular structures are serotonin, dopamine and adrenaline. Yup, that's about it. Oh and I was approached by MENSA to use this image for part of their centerpiece for their holiday gala... that one came way out of left field.