AI startup Exa recently took an IRL approach to recruiting, posting math problems all over San Francisco with a free dinner ...

Puzzles and brain games are a great way to keep your mind sharp and test how well you catch the small details that are meant to throw you off. They’re not just entertaining — they help boost your ...

The mathematician Tai-Danae Bradley is using category theory to try to understand both human and AI-generated language.

The Kakeya set—named for its discoverer Sōichi Kakeya—was complicated by a subsequent mathematician named Abram Samoilovitch ...