Neanderthals died out after Earth's magnetic poles flipped, causing a climate crisis 42,000 years ago, a study says

Earth saw a lot of commotion when its magnetic poles flipped 42,000 years ago. Scientists have known about the flip since the late 1960s. Earth's magnetic poles aren't static - they're generated by electric currents from the planet's liquid outer core, which is constantly in motion. As of late, Earth's magnetic North pole has wandered considerably on a path toward northern Russia.

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