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.
More people are using blue toothbrushes rather than the red ones.
The most expensive film in the world, worth around $ 615.400 per second, is a film of the assassination of the US President John F. Kennedy and it was made by Abraham Zapruder and it lasts 26 seconds.
Isaac Newton was kicked out of school. He was expelled as a teenager at the request of his mother, who wanted him to become a farmer.
Ancient Greeks often carried their coins in their mouths, because the clothes did not have pockets.
The oldest city in France, Marseille was founded by the Greeks around 600 BC.
