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 ...

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 ...