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2.1M views · 19K reactions | Today, Dr. Abhishek Shukla explained why...

Roughly 41,000 years ago, Earth entered a strange and unstable period called the Laschamps Excursion when the planet’s magnetic field weakened to less than 10% of its strength and the poles began drifting wildly. This wasn’t a full reversal but it was enough to disrupt the protective shield around Earth, allowing more cosmic radiation to reach the surface. The result? Climate shifts, changes in UV exposure, and possibly even a major turning point in human evolution. Researchers are still piecing