I liked a @YouTube video http://t.co/54wYTNvM ScienceCasts: Why the World Didn't End Yesterday
December 22, 2012
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ScienceCasts: Why the World Didn't End Yesterday
NASA is so sure the world won't come to an end on Dec. 21, 2012, that they already released a video for the day after. More questions about December 21, 2012? http://www.nasa.gov/2012/ Visit http://science.nasa.gov/science-news/science-at-nasa/2012/14dec_yesterday/ for more.