A galactic year is 250 million Earth-years. This is the time it takes for our solar system to make one revolution around the Milky Way Galaxy.

One-fourth of the world's population lives on less than $200 a year. Ninety million people survive on less than $75 a year.

The muzzle of a lion is like a fingerprint - no two lions have the same pattern of whiskers.

AMAZING FACTS