Ancient Roman, Chinese and German societies often used urine as mouthwash.
The Mona Lisa has no eyebrows. In the Renaissance era, it was fashion to shave them off!
Your tongue is the only muscle in your body that is attached at only one end.
Drinking water after eating reduces the acid in your mouth by 61 percent.
The banana cannot reproduce itself. It can be propagated only by the hand of man.
In ancient Greece, tossing an apple to a girl was a traditional proposal of marriage. Catching it meant she accepted.
The military salute is a motion that evolved from medieval times, when knights in armour raised their visors to reveal their identity.
When a person dies, hearing is the last sense to go. The first sense lost is the sight.
In ancient times strangers shook hands to show that they were unarmed.
In 2011, July has 5 Fridays, 5 Saturdays, and 5 Sundays. This apparently happens once every 823 years! This is called 'money bags'.