Scientists tattooed tardigrades using ice lithography, demonstrating a method that could lead to biocompatible microelectronics and futuristic biomedical technologies. If you haven’t heard of a tardigrade before, prepare to be amazed. These clumsy, eight-legged creatures, nicknamed water bears, are about half a millimeter long and can survive practically anything: freezing temperatures, near starvation, high pressure, radiation exposure, outer space, and more.
