Marijn Heule turns mathematical statements into something like Sudoku puzzles, then has computers go to work on them. His ...

When counting squares in a grid, don’t stop at the smallest boxes; the bigger ones are hiding too. The rule is simple: In an n × n grid—where n is the number of squares both horizontally and ...

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

Get today's New York Times Pips Game answers for easy, medium, and hard levels. Find verified hints and solutions for ...