Arguably, the most talked-about actor last year was not a hot young star who sparkled on the red carpet. It was Tilly Norwood, a 20-something aspiring star, who appeared in an unfunny comedy sketch ...

This article (originally published Aug. 13, 2025) has been updated to include new text and illustrations featured in the Jan.

An artificial-intelligence algorithm that discovers its own way to learn achieves state-of-the-art performance, including on some tasks it had never encountered before. Joel Lehman is at Lila Sciences ...