In 1946, the mathematician Paul Erdős posed the unit distance problem—and suggested a winning strategy. An A.I. model has now ...

Part of his job involved assessing potential hires: hopping on a Zoom call, giving an applicant an engineering test (kind of ...

This repository contains the core recommendation system powering the "For You" feed on X. It combines in-network content (from accounts you follow) with out-of-network content (discovered through ...

Flex your math muscles with this weekend’s brain teaser. Play now ...