A group of researchers from Lausanne (Switzerland) found that there are genes that determine the quality of sleep. It was thus proven that insomnia, as well as good sleep, can be hereditary.
Playing chess without looking at the board, was known in Persia and India back in VIII century.
Earth's rotation reaches a speed of half a kilometer per second.
You are two times more likely to be killed by a vending machine than a shark.
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.
In the middle ages, nutmeg was the most expensive spice. Not because of the taste and smell, but because of the belief that it protected against the plague.
