If you're shopping for someone who loves puzzles this holiday, Amazon has some great deals on an all-time classic: the Rubik's Cube. More specifically, Amazon is offering big discounts on Smart Cubes, ...

Max Park is a longtime speedcubing world record holder — for the 3x3x3 cube, his best official time is 3.13 seconds. Let's show you how he does it. By Siobhan Roberts, Jeremy White, Sean Catangui and ...