Ping-pong bots, drumming chimps, choosing designs of 2 jazz greats, and an ancient underground city’s soundscape Time lapse images reveal a brand-new ping-pong-playing robotic carrying out a leading spin. Credit:…

Peruvian mummy tattoos, the shaky physics of spears and darts, quantum “cat states,” and more. Lasers exposed tattoos on the hand of a 1200-year-old Peruvian mummy. Credit: Michael Pittman and…