The world, in perspective.

<p>Knots show how to generate infinitely many formulas of a kind developed by the visionary genius</p>

AI has made some awesome scientific discoveries. But now, questions are being raised about its accuracy

What exactly is a mathematical proof? Columnist Jacob Aron breaks down how mathematicians plot a course to answer open questions, and how finding several solutions to the same problem is an important part of the whole endeavour of maths

There is a growing backlash against the way AI companies have gone about tackling mathematical problems – and now some mathematicians are opting to avoid AI altogether