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.
It is impossible to suck your own elbow.
The power of the first lasers was measured by the number of razor blades the laser beams could pass through.
During the Secession war troops would return to their cartels with a big sign that read “0 Killed”. From that, the phrase O.K. derived from.
In 100 grams of butter, there are three times more calories than in the same amount of meat.
Hawaii is the only US state that grows coffee.
