The revelation that NRL referee Ashley Klein battled a gambling addiction and lost hundreds of thousands of dollars has sparked fierce debate about whether he is still fit to adjudicate the game, ...

The second batch of “First Proof” problems is meant to evaluate AI’s usefulness for research-level math. The best model got six or seven of the ten questions right.

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

So you’ve connected a device to your PC via a USB port — but Windows doesn’t recognize it. What now? Before you assume the product (or your PC port) is broken, there are several USB troubleshooting ...