At the age of 9, Sebastian Brillon of DuBois excels in a competitive sport that many may be unfamiliar with — speedcubing.

One second makes all the difference in the world to Tristan Heartt of Napa. Heartt, 14, is a competitive “speedcuber.” ...

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 ...