In 1666, the fire that destroyed most of the city of London, at the same time has ended the plague. Mostly because the fire killed infected rats who were the carriers of the disease.
When the Moon is directly above you, your weigh slightly less than usual.
A four-year-old child will, on average, ask about 437 questions a day.
The average mosquito has 47 teeth.
Every 24 hours 364.321 babies are born and 147.137 people die. That means that Earth’s population grows with the pace of 79 million each Year.
More people are using blue toothbrushes rather than the red ones.