"if two men pursuing a lawsuit in federal court in Hawaii turn out to be right."
"a giant particle accelerator that will begin smashing protons together outside Geneva this summer might produce a black hole or something else that will spell the end of the Earth ? and maybe the universe."
More here...
http://www.nytimes.com/2008/03/29/science/29collider.html?_r=2&hp&oref=slogin&oref=slogin