Muscle memory is a commonly used term for motor skill acquisition and retention. Activities like cycling or swimming are good ...

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 ...

Sampson Elementary teacher Charlotte French prefers the nontraditional approach to teaching physical education, so when she first saw a little girl stacking plastic cups in a fury at a table while at ...

Also known as sport stacking or speed stacking, cup stacking is a sport where people rapidly stack and collapse (called down stacking) pyramids of plastic cups. The cups approved for competition by ...

JENNIFER: MEET THREE GENERATIONS OF CUP STACKERS, DEANA WILSON AND HER 11-YEAR-OLD SON COLBY AND HER MOM DONNA. NEXT WEEK THEY ARE HEADING TO SPAIN TO COMPETE AGAINST STACKERS FROM AROUND THE WORLD.

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 ...