•There are more than 350 different kinds of sharks.
•Sharks’ wounds heal quickly and they rarely get tumors.
•The Great White shark has an enormous liver that can weigh up to 24 percent of its entire body weight.
•Most sharks as we know them today developed about 64 million years ago during the age of the dinosaurs.
•A shark can hear a fish in the water from more than a mile away.
•Sharks can smell one drop of blood in a million drops of water.
•Scientists can determine the age of a shark by counting the rings that form on its vertebra, much as you can count the rings on a tree to tell its age.
•You are 1,000 times more likely to drown in the sea than you are to be bitten by a shark.
•Shark teeth have been used as weapons and tools for many centuries.