As a certified scuba diver for 8 years I just wanted to note that I've never been bitten by a shark and no one I've ever gone diving with has been bitten either. I've dove in both the Atlantic and the Pacific including the Great Barrier Reef. I think
Cole is right and it's not that there's more sharks we just hear more about it. What
Nanaea posted about shark attacks is what divers are taught during certification classes and fortunately most of us never need to use it! By the way
David , loved your answers...very funny!