MP3: Following A Wandering North Pole

14.01.2011

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Following A Wandering North Pole MP3

The location of the magnetic North Pole is moving toward Siberia at about 40 miles per year -- and every few hundred thousand years, the North and South poles switch positions entirely. Geophysicist Ronald Merrill explains what's known about the inner workings of the Earth's magnetic field.» E-Mail This     » Add to Del.icio.us Source: sciencefriday.com

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