The Rubik's Cube inventor and a Hungarian chess grandmaster hold the first 'Rubik Chess' tournament:: Erno Rubik, Rubik's ...

Get a sneak peek at what happens when Pete takes on the Rubik’s Cube during an awards acceptance speech. Then, join us out on ...

How did the complexity of the Delian problem, an ancient Greek mathematical riddle that baffled brilliant minds, reshape our ...

Keeping your noggin busy is known to boost cognitive performance, sharpen memory, and aid focus and attention. Some even reckon that regular brain workouts can stave off the symptoms of dementia.