Click here for the original audio. Thousands of U.S. schools have their students race the clock to stack cups in gym class. Why? A former circus clown from Colorado named Bob Fox holds the key. Here & ...

At Augusta National Golf Club, traditions at the Masters tournament include rushing to secure the perfect chair spot, grabbing affordable concessions, and stacking reusable cups as high as possible. # ...

The sport involves stacking nine to 12 specially designed cups in predetermined sequences as quickly as possible.

Could you stack 12 cups in under two seconds? If the answer is "no" then the European Sport Stacking Championships are probably not for you. But for five people from Northern Ireland - including three ...