1.Sharks have been around for about 400 million years - long before dinosaurs even existed.
2.Sharks have the most powerful jaws on the planet.
3.Sharks never run out of teeth - when one is lost another spins forward from the rows of backup teeth.
4.A shark may use over 20,000 teeth during its life.
5.The Great White Shark rarely partakes in feeding frenzies.
6.Sharks will often eat other sharks.
7.A sharks skeleton is made of cartilage, allowing greater flexibility.
8.A sharks skin is made of denticles - similar to thousands of small shark teeth.
9.The most harmless sharks tend to be the largest, such as the Basking Shark, the Whale Shark and the Megamouth Shark.
10.There are only about 100 Shark attacks on humans each year, resulting in about 10 deaths.
that's all for today, more facts soon :)