1. The amount of cement that China used from 2011 to 2013 was much greater than the total amount of cement U.S.A. used during the entire 20th century.
2. In more than half of all U.S. states, the highest paid public employee in the state is a football coach.
3. It costs the U.S. government 1.8 cents to mint a penny and 9.4 cents to mint a nickel.
