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Earth’s magnetic north pole has been shifting gradually for centuries due to the movement of molten metals in the planet’s outer core. In the 1990s, magnetic north began to experience an ...
What are they? Sign Up to receive the Twisted Sifters weekly newsletter for the best Internet culture news updates. The post ...
The planet's magnetic North Pole, where compasses point ... get the best of The Week delivered directly to your inbox. Sign up The switch in direction and momentum has raised questions.