On our planet, 5 kilograms of diamonds are found every day.
Playing chess without looking at the board, was known in Persia and India back in VIII century.
Dragonfly's eyes can spot its prey from a distance of 40 meters.
The term "redskins", Indians acquired, not because of the color of their skin, but because of the red color they put on their skin when they went to war.
75% of women will make their bed every day. Unlike women, men are less likely to make it. Only 45% of men will make their own bed in the morning.
The center of the Earth is located approximately 6.440 kilometers from the surface.
