Plus, why we sound like chatbots, how El Niño made the Atlantic hurricane season disappear, and the race to build AI defenses against bioweapons.

© Raven Jiang for WSJ

Plus, a world alliance racing to control AI, the tech elite’s alternative to college, and K-pop’s bet on bots.

Plus, jet-powered drone warfare, credit cards for AI agents, and a GLP-1 drugmaker taps Claude to develop new medicines.

© WSJ