According to the Mayan calendar the world could end later this month — on December 21, 2012. If you’re worried about this alleged apocalypse and you don’t know what to do next, who do you turn to for counsel? Many people have been asking David Morrison for advice. He writes NASA's "Ask An Astrobiologist" column. Morrison tells APM’s Dick Gordon about some of the apocalypse questions he’s answered, and divulges his own plans for the 21st.
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