Sharks will change their sharp triangle teeth (in five rows) continuously throughout their lifetime. They can change up to thirty thousand teeth. It is believed that the bite force of a white shark is equal to three tons.
The real name of American film actor Michael Keaton (born 1951) is actually Michael Douglas, but due to the fact that an actor wanted to avoid the name of the older, more famous actor Michael Douglas (born 1944), surname Keaton was chosen in honor of the film actress Diane Keaton.
A single eagle claw has equal power of four human hands.
When a man blows his nose, the air speed that comes out under pressure reaches 160 km per hour.
The oldest city in France, Marseille was founded by the Greeks around 600 BC.
The first country to give women the right to vote was New Zealand in 1893.
