The "Wisconsin Winter Stack Up" hosted some of the country's fastest cup stackers. Sport stacking is a competition in which competitors stack specially designed cups up and down in set patterns. Speed ...

Just last week, General Motors announced that the C8 Corvette ZR1 could hit 233 mph, reinforcing the twin-turbo monster’s claim to fame as the fastest production Corvette ever made. Indeed, with a top ...

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.