- In an event named after Douglas Adams, the Earth's magnetic poles flipped around 42,000 years ago in new findings gained from looking at tree rings of the New Zealand's ancient kauri trees https://www.sciencealert.com/earth-s-magnetic-field-flipped-42-000-years-ago-with-dramatic-consequences 9 comments science
Linked pages
- Ancient relic points to a turning point in Earth's history 42,000 years ago | UNSW Newsroom https://newsroom.unsw.edu.au/news/science-tech/ancient-relic-points-turning-point-earths-history-42000-years-ago 21 comments
- https://science.sciencemag.org/content/371/6531/811 6 comments
- Ancient Northland kauri tree reveals secrets of Earth's polar reversal | Stuff.co.nz https://www.stuff.co.nz/science/113954687/ancient-northland-kauri-tree-reveals-secrets-of-earths-polar-reversal 0 comments
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