The Islamic masters were the first to paint paper and often would apply dots of silver or gold on it.
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.
The first ice cream was made in the 18th century in the Sicilian town of Taormina with the help of snow from the slopes of Mount Etna, the only live volcano in Europe.
Earth's rotation reaches a speed of half a kilometer per second.
Cows sleep almost as long as humans.
On our planet, 5 kilograms of diamonds are found every day.
