One of the first applications of laser-stimulated fluorescence in anthropology, the tattoos contain lines only 0.1 millimeter ...

For some people, using both hands comes naturally ... maybe a mix between current version and a tattoo robotic arm or a brain controlled needle?

Miley Cyrus got her first tattoo at 17 years old; now, she has more than 50. See each of the singer's designs and their meanings here.