What originated as a game called rounders in the 1860s has since become known as the USA's national pastime. You don't need to be Babe Ruth to know this uniquely American sport—it's baseball.
Spring time means baseball season in the United States, and a prime time to brush up on the facts and fascinating science behind the way baseball works. Discover the muscles used in the sport, how a baseball is made, the math involved in the game and more. Learn more about what happens before and after the ump yells "Play ball!"