Got milk? Billions of pounds of milk are consumed worldwide on a daily basis. Milk is the basis for its own food group, and has been around since the dawn of mammals. Visit a farm with a milking parlor that looks more like a cow merry-go-round. Learn what pasteurization is really all about, and even milk a yak. Find out what those active cultures in yogurt are and discover if milk truly makes the body good. Wait until you discover just how many types of cows there truly are.