Ötzi the Iceman has the oldest tattoos in the world. Here’s how they’re made
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more. Ötzi the Iceman was found high in the Tyrolean Alps in 1991 and had dark skin and eyes and was probably bald. His remarkably well-preserved remains, frozen beneath the ice for about 5,300 years, revealed … Read more