The shark cornea has been used in eye surgery, since its cornea is similar to a human cornea.

A mother hen turns her egg approximately 50 times in a day. This is so the yolk does not stick to the shell.

Because of its enormous size, the Pentagon operates much like a small city; it has its own shopping mall, power plant, water and sewage facilities, medical clinic, fire station, police force and a mayor.

AMAZING FACTS