A pearl can be found in one of a thousand oysters, and only in one of three thousand mussels.
In the human body there is so much phosphorus you could produce around 750,000 matches.
For a spacecraft to overcome the Earth’s gravity, it needs an average speed of 12 kilometers per second.
Kim Peek (54), the autistic genius who inspired the creation of a film "Rain Man", knew by heart the contents of 12.000 books. That are almost all the books he had read from the age of four.
Cleopatra's Needle, which is now located at Central Park in New York was once part of a sundial.
Elephants are the only animals that can’t jump.
