Sunday, December 22
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What Happens When Earth’s Magnetic Poles Reverse?

Thousands of years ago, Earth’s magnetic poles flipped. What will happen the next time they reverse? Tara explains.

Read More:
Extremely rapid directional change during Matuyama-Brunhes geomagnetic polarity reversal
http://gji.oxfordjournals.org/content/199/2/1110.abstract
“We report a palaeomagnetic investigation of the last full geomagnetic field reversal, the Matuyama-Brunhes (M-B) transition, as preserved in a continuous sequence of exposed lacustrine sediments in the Apennines of Central Italy.”

Photo © Science Picture Co./Corbis

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