Pythagoras meets Fibonacci at the Lapin Agile snooker emporium. The post Math Puzzle for January 9, 2026 appeared first on ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Chalkbeat Ideas is a new section featuring reported columns on the big ideas and debates shaping American schools. Sign up for the Ideas newsletter to follow our work. An obscure university report has ...

Undergraduate students across North America sat down on Saturday to write a grueling six-hour math exam, many of them unlikely to solve a single problem. The notoriously brutal William Lowell Putnam ...