11 Cool Science Tattoos (PHOTOS)

Some people have science under their skin—literally. Instead of hearts or anchors, they get tattoos of their favorite scientific subjects--from DNA molecules and brain cells to schematics for important inventions. Keep clicking to see 11 science-centric tattoos from science writer Carl Zimmer, who wrote about science tatts in his book 'Science Ink.'

New Yorkers can catch Zimmer talking about 'Science Ink' on January 25 at the New York Academy of Sciences.