Editor’s note: This segment was rebroadcast on Sept. 30, 2025. Click here for that audio. In the early 2000s, thousands of U.S. schools had their students race the clock to stack cups in gym class.

Most sports are actually absurd. Golf involves hitting a tiny ball into a hole hundreds of yards away. Soccer is based on the idea of what if we didn't use our hands. Speed stacking — if you really ...

Students at Gold Canyon Elementary School in Apache Junction stack plastic cups for fun. The sound of horses clopping echoes in the gymnasium moments before a school assembly begins as 14 students ...