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 ...

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 ...

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

Magic Squares: A touch of mysticism and a lot of brain-challenging fun! By Marcel Danesi, Ph.D. in Brain Workout One of the most fascinating number games of all time is the magic square. In its ...