Earth’s Magnetic Field Flipped 42,000 Years Ago. The Consequences Were Dramatic – ScienceAlert

A global period of upheaval 42,000 years ago was the result of a reversal in Earth’s magnetic field, new research has found.

A global period of upheaval 42,000 years ago was the result of a reversal in Earth’s magnetic field, new research has found.
According to radiocarbon preserved in ancient tree rings, several centuri…

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