A scientist, a celebrity tattoo artist and a former doctoral student are working on ink that turns on and off with different types of light. Tattoos are more popular than ever. According to the Pew ...

(CNN) — Tattoos are considered to be among the oldest forms of art, dating back thousands of years and practiced by many cultures across human history. Now some researchers believe the next generation ...

Mad scientist kind of moments happen fairly often for nanoengineer Carson Bruns. A few months ago in his lab at the University of Colorado Boulder, he tested his latest invention on his own arm and ...