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.

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.

Cup stacking sounds like something you’d do at the kitchen sink, not in, say, a school gym. But, on certain days, Karen Shute’s physical education class at M.E. Pearson Elementary School in Kansas ...

MUKWONAGO, Wis. - In the Nicloy's family home in Mukwonago, it's hard to miss the sound of nine-year-old Liam Nicloy speed stacking. "Usually, I wake up and then play a little bit in the morning, and ...

Ezekiel McDowell has been obsessed with speed for as long as he can remember. His favorite superhero growing up was The Flash and he says he can solve a Rubik’s Cube in under 30 seconds. But for the ...