It is impossible to suck your own elbow.
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.
It takes no more than 20 moves to solve the Rubik’s Cube.
Turtles can breathe through their backsides.
Leonardo da Vinci made the first draft for the contact lenses. They should have been made of thin glass filled with water...
Dragonfly's eyes can spot its prey from a distance of 40 meters.
