Find the answer for Two-dimensional surface in math from the people who brought you the USA TODAY Daily Crossword Puzzle.

Subscribe to Scientific American to learn and share the most exciting discoveries, innovations and ideas shaping our world today.

Geometry class came after lunch, after gym, and after checkout. The post Math Puzzle for November 7, 2025 appeared first on ...

Math may not be everyone’s favorite subject but when it comes to matchstick puzzles, few can resist giving it a try. At first ...

In our recent puzzle “ The Wanderer’s Return ,” I wrote an intuition-based solution to avoid hairy algebraic calculations.

The New York Times announced last week that it will stop making Digits, a math puzzle game that debuted in beta in April. The last of these daily math puzzles will go up on August 8. Digits is a fun ...

A seemingly impossible math puzzle, discovered stuck to a tree by a passing hiker, has left the internet well and truly stumped. Despite living in an increasingly digital world, math remains something ...