Ancient Trees Show When The Earth's Magnetic Field Last Flipped Out
A precise record of the last major reversal of the Earth's magnetic poles can be found in ancient trees. Researchers say this event 42,000 years ago had a huge impact on the planet and ancient humans.
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Health & Science - February 19, 2021 at 02:00AM - Ancient Trees Show When The Earth's Magnetic Field Last Flipped Out
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