Puzzle #580, released on January 11, presented an especially difficult challenge, pushing players to uncover connections ...

Alexander Hartmann, a physicist at the University of Oldenburg, in Germany, has introduced a new model to explain a common word puzzle phenomenon. In his paper published in the journal Physical Review ...

A dad has been left scratching his head over a maths problem in his nine-year-old son's homework - and he's not the only one ...