Smallest shark - Most people think of a shark as a big violent predator with very sharp teeth ranging the sea in search of food. But in fact, there are over 400 different species of sharks. Did you know that sharks are some of the most amazing and most misunderstood creatures on the planet? So, for you to understand them more, here is the list of smallest sharks ever lived in the world
Did you know Great White Sharks don't have a single bone in their bodies? Instead, they have a cartilage skeleton! Don't miss the premiere of "Great White Shark" in IMAX today, July 11, at the Science Center of Iowa.