In this episode of Wow, I Never Knew That, if you have ever gone to a Hockey game, or gone ice-skating, there is ONE revolutionary machine that helps keep the fun and action going. And that's all thanks to the ZAMBONI® ICE RESURFACING MACHINE. You'll learn how and why it was invented. And ever notice some pistachio nuts are RED in color? We'll throw up the RED FLAG and explain why the color is simply a COVER UP. And why do we get 13 loaves of bread in a BAKER'S DOZEN? And how do people who are visually impaired "read" using BRAILLE? And what does the CE stamped on electronic equipment really mean and why?