Scientists are using clues from ancient artifacts to help them predict the future of the magnetic field.
What Happens When Earth's Magnetic Poles Reverse? - https://youtu.be/Ou1BiorYRNU
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Ancient Jars Hold Clues About Earth's Fluctuating Magnetic Fields
https://www.nytimes.com/2017/02/14/science/magnetic-field-earth-jars.html?rref=collectio
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