The fastest flying butterfly is the Monarch, which has been clocked with a speed as high as 17 miles per hour.

Those involved in dog breeding refer to males as 'dogs', females as 'bitches', dogs younger than a year old as 'puppies' and a group of offspring as a 'litter'.

An ordinary TNT bomb involves atomic reaction, and could be called an atomic bomb. What we call an A-bomb involves nuclear reactions and should be called a nuclear bomb.

AMAZING FACTS