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 ...

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