ChatGPT's breakthrough is not what it seems.

The math world is losing its mind over the new solution to an Erdős problem. This is what AI found, how we missed it—and why it matters.

The result is correct but challenges core norms of mathematics: checking proofs, crediting ideas and keeping research open to everyone.

Translating real situations into mathematical terms If you ever solved an arithmetic problem about the speed of trains or cost of groceries, that's an example of mathematical modeling. But for more ...