When Lee Sallows was in his 20s he moved from London to the Netherlands and dropped a lot of LSD. During one acid trip he started doodling with magic squares, a type of mathematical pursuit he had ...

Only in the last five years has sudoku been capturing people’s recreational time. But 250 years ago, Benjamin Franklin was developing fascinating puzzles with principles quite similar to sudoku, ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

Magic sudoku is a collection of 2000 logic games: sudoku and crucipixel. In sudoku the player have to fill a grid with numbers (no mathematical skill needed!), in crucipixel the player have to fill a ...

It all adds up, when you think about it. Linda M. Pomaville was the kind of kid who, while attending Fuerbringer Elementary School in Saginaw, tutored math students a grade or two ahead of her. Her ...