Seniors who drink a cup of coffee before a memory test score higher than those who drink a cup of decaffeinated coffee.

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.

The only commercial aircraft that is able to break the sound barrier is the Concorde.

AMAZING FACTS