The Subjects of Louis IX the King of France were branded with a hot iron as a sign of loyalty.
Chameleon’s tongue is twice as long as his body.
In 100 grams of butter, there are three times more calories than in the same amount of meat.
Leonardo da Vinci made the first draft for the contact lenses. They should have been made of thin glass filled with water...
When the Moon is directly above you, your weigh slightly less than usual.
The first computer was made in 1946 at the University of Pennsylvania. ENIAC (Electronic Numerical Integrator And Calculator) had 18,000 electronic pipes, 30 tons and it needed 154 m2 of space.
