It’s a familiar moment in math class—students are asked to solve a problem, and some jump in confidently while others freeze, unsure where to begin. When students don’t yet have a clear mental model ...

This study was supported by a British Academy/Leverhulme Small Grant (Reference no.: SRG23\231049). The author declares no other relevant affiliations or financial interests. Andrea Révész and Andreas ...

Listen to our experts’ selections from one of jazz’s great labels, with tracks from Sonny Rollins, Archie Shepp, Gato Barbieri and more. Credit...Illustration by Dante Zaballa Supported by By Marcus J ...