150,000-year history of Earth's magnetic field reveals clues about the climate when early humans were spreading out of Africa - Live Science
Stephanie Pappas |
Technology |
Live Science |
05-18-2025 |
25
A tree-ringed African lake has yielded a record of Earth's magnetic field spanning the past 150,000 years.
A core of rock and sediment drilled from the bottom of Lake Chala, a picturesque crater lak…
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