After a weekend of tense competition between 263 of the world’s top competitors, 16-year-old Yu Nakajima of Japan was declared the winner of the main event of the 25th Rubik’s World Speedcubing ...

26 miniature cubes and six sides — the Rubik’s Cube is one of the most puzzling challenges we face as a kid. As young as five years old, I became intrigued with this cube, twisting and turning to no ...