TWO HUGE BLOBS IN EARTH’S MANTLE ARE FIGHTING IT OUT OVER OUR MAGNETIC POLE

If you have a very sensitive compass, a predilection for graphing, and a lot of patience, you may have noticed that the Earth’s magnetic pole has been hightailing it toward Siberia recently. It wanders all the time, actually, but in 1990 suddenly accelerated rapidly toward Siberia. A few fringe folks (as they are wont to do) have predicted doom and gloom over this, but in fact it’s a natural and geologically common event… and scientists now think they know why.

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