Serotonin Molecule Tattoo, flower tattoo, happiness tattoo...
Science tattoo idea. I'd probably go with acytlcholine... You know, being a teacher and all...
White ink molecule tattoo by Jon Boy
Una molécula de ATP. | 23 Tatuajes sobre ciencia increíblemente elegantes
A classic pairing of serotonin and dopamine
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This would be great to stitch on a gift for a Starbucks-addicted math or science teacher. Caffeine Molecule design (UT3492) from UrbanThreads.com
Wait this is basically exactly what I'm going to get, just on the left shoulder only.
Love this oxytocin tattoo