好莱坞大片《2012》向世人描述了世界末日来临时的场景。去年,由该片激起的“2012年是世界末日”的说法在互联网上流传一时,引起了人们一定程度上的恐慌。为此,美国宇航局特意对这一说法进行了反驳,认为它根本没有事实依据,不可能发生。然而,人类遭遇天灾的可能性是存在的。美国《发现》杂志曾经评出21世纪威胁人类生 Hollywood blockbuster “2012” to the world describes the end of the world scene. Last year, the phrase “2012 is the end of the world,” aroused by the film, spread on the Internet for a time, causing some people some panic. To this end, NASA deliberately contradicts this view, saying that it has no factual basis and can not happen. However, the possibility of human suffering from natural disasters exists. United States “Discovery” magazine has rated the 21st century as a threat to human health