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Researchers have sonified the sounds of the Earth's magnetic field reversing 780,000 years ago.
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Dams constructed around the world over the last two centuries have had an impact on the planet's poles.
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Scientists have, for the first time, detected a hurricane taking place in the Earth's upper atmosphere.
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Thanks to a weakening of the Earth's magnetic field, the magnetic north pole is moving away from Canada.
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Our planet's magnetic north pole is reportedly moving towards Siberia at a rate of 34 miles per year.
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The openings, which were found near the Moon's north pole, could lead to an extensive network of tunnels.
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Scientists are planning to sail a research vessel to the Arctic so it can get stuck in the ice on purpose.
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A newly discovered species of seagull-like bird lived at a time when the Arctic was as warm as Florida.