|
Shark Attack! Craig Rogers was sitting on his surfboard, scanning the distance for his next wave，when his board suddenly stopped moving. He looked down and was terrified to see a great white shark biting the front of his board. I could have touched its eye with my elbow, says Craig. The shark had surfaced so quietly that he hadnt heard a thing. In his horror and confusion，he waved his arms and accidentally cut two of his fingers on the sharks teeth. He then slid off the opposite side of his surfboard into the water. Then, with Craig in the water and blood flowing from his fingers，the five-meter-long shark simply swam away, disappearing into the water below. Although sharks are often categorized as killers that hunt and eat as many humans as they can, this is factually inaccurate. Sharks very rarely kill humans. A person has a greater chance of being struck by lightning or drowning in a bath than of being killed by a shark. Only 74 people have been reported killed by great whites in the last century. But great white sharks can reach six meters in length and weigh 2,200 kilograms or more. With frightening jaws that can hold up to 3,000 teeth arranged in several rows，they could very easily kill and eat a helpless human in the water. Why is it, then, that most people survive attacks by great whites? Shark researchers are trying to comprehend the reasons that allow people to escape without being eaten. | 
