Earth’s Magnetic Field Once Collapsed. Humans Survived. Here’s How
Did ancient sunscreen and sewing needles save humanity? Earth’s Northern Lights typically dance near the poles, but 41,000 years ago, they lit up skies over North Africa and Australia. New research reveals how dramatically Earth’s magnetic field weakened and shifted during an event called the Laschamps geomagnetic excursion, potentially influencing human evolution at a pivotal moment in…
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