I n the hushed darkness of a laboratory, ancient Peruvian tattoos glowed with new life. As lasers swept across the mummified remains of the Chancay people, once-hidden designs — swirling ...

But researchers have now uncovered a glimpse of this ancient artistry by revealing intricate tattoos on 1,200-year-old Peruvian mummies, created using cactus needle spikes and sharpened animal bones.