Ever wondered exactly how much your job is stressing you out? Scientists have developed a temporary forehead tattoo that could one day give you the answer. Scientists at the University of Texas at ...

Face tattoos are at the center of a cultural shift. Beauty is evolving quickly, and younger generations are embracing bolder forms of self-expression. Makeup trends, nail art, hair colors, and ...

A subject wearing the e-tattoo while answering test questions. Credit: Device H Huh et al. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries ...

Had a tough day? Soon you'll be able to prove it as researchers have unveiled a groundbreaking way to track when your brain is working too hard—with a face tattoo. In a study published today in the ...