https://interestingengineering.com/space/humans-survived-harmful-radiation-magnetic-field
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Humans survived harmful radiation after Earth’s magnetic field weakened 41,000 years ago - Interesting Engineering
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7/20/25 at 11:52am
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Interesting Engineering
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Rupendra Brahambhatt
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41,000 years ago, when Earth’s magnetic field weakened to a fraction of its usual strength, it allowed more harmful solar radiation to reach the surface
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