Keeping your car tuned up is a good way to save on gas. A car that is tuned up is 9% more efficient on gas.

In July 1874, a swarm of Rocky Mountain locusts flew over Nebraska covering an area estimated at 198,600 square miles. It is estimated that the swarm contained about 12.5 trillion insects. These insects became extinct thirty years later.

The first modern toothbrush was invented in China. Its bristles came from hogs hair or the mane of a horse that were then put into ivory handles.

AMAZING FACTS