It is possible to identify the sex of the giraffe from the horns on its head. Both males and females have horns but the females are smaller and covered with hair at the top. Male giraffes may have up to 3 additional horns.

Chicago has the largest cookie factory, where Nabisco made over 4.6 billion "Oreo" cookies in 1997.

Tehran is the most expensive city on earth.

AMAZING FACTS