Who wants to live forever? Until recently, the quest to slow aging or even reverse it was the stuff of legends — or scams. But, today, an evidence-based race to delay or prevent aging is energizing scientists worldwide.
Artificial intelligence (AI), it seems, can figure out how to do just about anything. It can simulate the universe, learn to solve a Rubik's Cube with just one hand, and even find ghosts hidden in our past.