Daily puzzlers would be quick to tell you that sudoku, Wordle’s mathematical cousin, is not as easy as it looks. The small grid, found often next to a word scramble or comic strip in a print newspaper ...

Pens, pencils and a facility with numbers. Also helpful: earplugs, plushies, a water bottle, calming herbal oil and the occasional “wild bifurcation” (a.k.a. a wild guess). Competitors at the World ...

No wonder Sudoku puzzles give your brain a good work-out. Scientists say solving them depends on neural pathways that even the most powerful computers can't replicate. They say that by studying how ...

The puzzle phenomenon that is sudoku really needs no introduction. The million-dollar question is what can you do with a PSP that you can't do with a pencil? Taking your PSP on the train or a long car ...

Play the New York Post’s daily easy-level Sudoku puzzle online. See if you can fill in each square with a number 1-9, without repeating any number within each ...

Scientists are like you and me: they sometimes need to relax. This is why Veit Elser, professor at Cornell University, has applied an algorithm developed for X-ray diffraction microscopy to solve ...