Subspecies of the tiger include the Sumatran Tiger, Siberian Tiger, Bengal Tiger, South China Tiger, Malayan Tiger and Indochinese Tiger.

Alexander Graham Bell, the inventor of the telephone, never telephoned his wife or mother because they were both deaf.

Two very popular and common objects have the same function, but one has thousands of moving parts, while the other has absolutely no moving parts - an hourglass and a sundial.

AMAZING FACTS