The mating call of a male toadfish, who are underwater, is so loud that it can be heard by humans above water.

The word vaccine comes from the Latin word "vacca," which means cow. This name was chosen beacause the first vaccination was derived from cowpox which was given to a boy.

Ghandi didn't allow his wife to take penicillin to save her life from pneumonia but took quinine to save himself from malaria.

AMAZING FACTS