Herbert Hoover, who was the 31st president of the United Stated, turned over all the Federal salary checks he received to charity during the 47 years he was in government.

Researchers have found that doctors who spend at least three hours a week playing video games make about 37% fewer mistakes in laparoscopic surgery than surgeons who didn't play video games.

Taft was the heaviest U.S. President at 329lbs; Madison was the smallest at 100lbs.

AMAZING FACTS