 Complete the following phrase:  The phenomenon spread widely after coming to public notice, particularly on the Internet. Hundreds of thousands of websites were posted on the subject. Ask an Astrobiologist, a NASA public outreach website, received over 5,000 questions from the public on the subject from 2007, some asking whether they should kill themselves, their children or their pets. In May 2012, an Ipsos poll of 16,000 adults in 21 countries found that 8 percent had experienced fear or anxiety over the possibility of the world ending in December 2012, while an average of 10 percent agreed with the statement the Mayan calendar, which some say ends in 2012, marks the end of the world, with responses as high as 20 percent in China, 13 percent in Russia, Turkey, Japan and Korea, and 12 percent in the United States. At least one suicide was directly linked to fear of a 2012 apocalypse, with others anecdotally reported. Jared Lee Loughner, the perpetrator of the 