The demonstration of a potent cyberweapon has exposed China’s vulnerabilities and added to the urgency of A.I. safety talks between Beijing and Washington.

This year is shaping up to be a global experiment in education: Can students embrace tech innovation without losing critical thinking skills?

China is exporting more than A.I. models. It wants its data to influence the world’s chatbots, raising fears that Beijing’s narratives will spread with the technology.