Shark attacks are more frequent then they've ever been in years. While we know sharks usually don't attack based on anything but their natural instinct for food, they have still been attacking more people then they've ever been in many years. What causes this? Could it be possible they are coming to shore because of something happening to the ocean. Possibly searching for food elsewhere? It seems interesting to me that sharks have been so often coming to shore when the ocean is plentiful of food.