How Come Nasa Knows The World Won’t End On December 22?

(Youtube) ScienceCasts: Why the World Didn’t End Yesterday

Published on Dec 11, 2012

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.

Also see Were The Mayans Wrong?Is Zurich Really Opening These Boxes?Is This Guy The Most Amazing Mind Reader? and Can Overconfidence Be Confused With Competence?

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