You were smarter than AI at math only a few years ago. Yes, even you.

Since you last thought about math, the people who think about math every day have been freaking out. Illustration: Emil Lendof/WSJ, Getty Images A month ago, when OpenAI announced that one of its ...

Clarification: This story has been updated to clarify how University of Colorado researchers handle their data collection. A student digs into a math problem that references his favorite superhero, ...