In a post-Covid world, we can no longer assume that a student’s age and mathematical experiences line up in previously expected ways. Indeed, they may not even be close. It’s a tension that’s always ...

The original version of this story appeared in Quanta Magazine. David Bessis was drawn to mathematics for the same reason that many people are driven away: He didn’t understand how it worked. Unlike ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...