Laser-stimulated fluorescence, originally developed to examine dinosaur fossils ... in the pre-Inca period. Tattoos on their hands, arms, and other body parts had faded over time, but the laser ...

In the picture, the father and son show off their new dinosaur thigh tattoos. On the left, Wyatt has two temporary tattoos, one of a pterodactyl and another of a sea animal. Cooper was inked with ...