Sharks

Sharks killed four people and injured 58 others around the world in 2006, a comparatively dull year for dangerous encounters between the two species. Sharkbite numbers grew steadily over the last century as humans reproduced exponentially and spent more time at the seashore. But the numbers have been flat/stabilised over the past five years as overfishing thinned the shark population near shore and swimmers have learned about the risks of wading into certain areas, Burg