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Upheaval and extinctions linked to magnetic reversal 42,000 years ago | Earth | EarthSky
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Upheaval and extinctions linked to magnetic reversal 42,000 years ago | Earth | EarthSky

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Crisis Ensued The Last Time Earth’s Magnetic Poles Flipped, Researchers Say : NPR
Current Affairs

Crisis Ensued The Last Time Earth’s Magnetic Poles Flipped, Researchers Say : NPR

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