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Reversal of Earth's magnetic poles may have triggered Neanderthal extinction -- and it could happen again | CNN
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End of Neanderthals linked to flip of Earth's magnetic poles, study suggests | Science | The Guardian
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3D simulations reveals why the Sun flips its magnetic field every 11 years | Smithsonian Institution
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Flip Flop: Why Variations in Earth's Magnetic Field Aren't Causing Today's Climate Change – Climate Change: Vital Signs of the Planet
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