Young male gorillas usually leave their family group when they are about 11 years old and have their own family group by the age of 15 years old. Young female gorillas join a new group at about 8 years old.

The amount of concrete used in the Hoover Dam could build a highway from New York to California.

People don't sneeze when they are asleep because the nerves involved in the sneeze reflex are also resting.

AMAZING FACTS