During the day a man’s nail grows on average 0.1 millimeters, and for a new one to grow fully it needs approximately three months.
American Airlines saved $ 40,000 by taking out one olive from each salad that was served in the first class in 1987.
When a man blows his nose, the air speed that comes out under pressure reaches 160 km per hour.
People who spend the most time in front of television sets are Japanese. They spend on average 9 hours in front of the TV.
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.
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.
