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

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Speedcubing is the sport of solving a classic Rubik’s Cube — or a related combination puzzle — in the shortest amount of time possible. And, no, it is not for the faint of heart. The Speed Cubers ...

The sprawling cafeteria at River Hill High School in Clarksville holds a unique distinction: two world records have been set here. In 2015, River Hill alumnus Keaton Ellis shot up from his seat after ...