122. The End of the World?

Do you believe all the theories that the world is going to end tomorrow? In this episode I discuss some of the 2012 End of the World theories and tell you what I think. We will also hear the opinion of a NASA scientist. You can read some of those theories and more information here: http://teacherluke.wordpress.com/2012/12/20/122-the-end-of-the-world/ 

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