First western product sold in the Soviet Union was "Pepsi Cola".
It is believed that average person dreams about 1.400 times a year.
In the Middle Ages, patients were tended by nuns, who in between themselves called one another sisters. That name was later used for trained nurses.
A human and a sloth are the only creatures that normally make love face to face.
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.
The first city in the World that has reached one million inhabitants was Rome, around 133 BC. London got its one million inhabitants in 1810, and New York in 1875. Today, there are over 300 cities with more than a million inhabitants.
