Earth’s molten core suddenly reversed direction — and scientists don’t know why

According to ScienceDaily, Earth's molten iron core has unexpectedly reversed direction beneath the Pacific. The shift represents a dramatic change in the planet's deep interior — the mechanism that generates Earth's magnetic field. Satellite data indicate the surge is already weakening, raising the possibility that this upheaval is part of a natural cycle, though scientists remain uncertain about what caused the reversal.

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