If you're feeling stuck or just don't have 10 or more minutes to figure out today's puzzle, we've got all the NYT Strands ...

But even the most dedicated Sudoku-solver might have never spotted this secret pattern. Mathematicians have uncovered a powerful pattern known as the 'Phistomefel Ring' - and it's hidden in every ...

On one level, sudoku is a simple and fun way to pass the time and keep the brain ticking – but dig deeper, and some fiendishly clever math patterns reveal themselves. The most recent to blow our minds ...

The diagonal lines, the grid and the interplay of light and shadow give this black and white photograph a strong graphic effect. The picture offers the viewer a minimalist composition consisting ...