Neil deGrasse Tyson on Magnetic Pole Reversal and Extinction

Could Earth's magnetic poles reverse in the near future, and could that mean the extinction of the human race? Neil deGrasse Tyson explains magnetic pole reversal to comic co-host Chuck Nice in this Cosmic Query.

This "Behind the Scenes" video was shot during the recording of our episode, "Cosmic Queries: Planet Earth." If you'd like to listen to the full podcast, click here: http://www.startalkradio.net/show/cos....

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  • Science & Technology

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