Every queen by the name of Jane was killed, gone mad or sentenced to death.
Elephants are the only animals that can’t jump.
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.
Leonardo da Vinci made the first draft for the contact lenses. They should have been made of thin glass filled with water...
Every second the Earth is struck about hundred times by lightning, while four times more lightnings flash in the sky. Lightning can be anywhere from 60 meters to 30 kilometers long.
One day on the Moon lasts for 700 hours, or nearly 30 Earth days.
