It was 10 years ago that veteran NASA scientist David Morrison began to answer a question a day from the public about the origin of life on Earth, evolution and the mysteries of the cosmos. Lately, though, Morrison, senior scientist at the NASA Astrobiology Institute, has been inundated with questions about both Doomsday 2012 and the Nibiru cataclysm, a supposed apocalyptic event in which Earth will collide with a massive rogue planet. Some of these questions, he says, are increasingly alarming, and include threats of murder and suicide. "I think it was about 4 years ago, early in 2008, I started getting 5 questions a day about 2012, and now it has increased," Morrison told ABCNews.com. "The most common question is, 'Will the world end on December 21, 2012?' I find that strange because the idea of the world ending is absurd. Do they really think, 'The world is ending, but if I build a bomb shelter in my back yard, I'll survive'?" Read more http://abcnews.go.com/Technology/20...t-eases-public/story?id=17848248#.ULod0eTBFcs