Head tattoos are usually a last frontier reserved for true ink addicts, but they could help make it a whole lot easier to ...

Researchers from the University of Texas Austin and the University of California, Los Angeles developed ink that can be printed on a person’s head and measure their brainwaves.

Express your personality with a beautiful tattoo design you will always love ...

Since the emergence of temporary, skin-attached electronic tattoos more than a decade ago - and their evolution to measure heart activity, track ...