Speaking with a normal tone of voice reaches 60 dB. The sound of a car horn produces 110 dB.

Up to 1/2 of all men and 1/4 of all women don’t wash their hands after the toilet. Wet hands spread 1 000 times more germs than dry hands.

Roman Polanski is 165 cm tall. Average height of a 13-year old girl in America is 161 cm.