The mystery of magnetic field reversal
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Imagine a world where the Earth's magnetic field collapses, auroras begin to shine in the sky across the planet and thunderstorms emerge from nowhere, according to a study that is already a few years old and was updated now in 2025. This occurred 42,000 years ago and as proof, scientists studied a perfectly preserved tree fossil that according to them revealed incredible clues about this chaotic event.
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The most recent of these was the Laschamp excursion which occurred 42,000 years ago and lasted about 800 years before the magnetic field stabilized. In 2021, New Zealand scientists found a 42,000-year-old fossilized kauri tree that preserved environmental data from that period. Using radiocarbon measurements, researchers were able to reconstruct a detailed timeline of atmospheric changes.
The images without reference were created with AI
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