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Additionally, ancient humans may have ramped up their use of ochre. This naturally occurring pigment is composed of iron ...
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Is the Sun’s Magnetic Field About to Flip?Scientists believe the Sun’s magnetic field could reverse within our lifetime, a natural cycle that occurs roughly every 11 years. While this solar polarity shift is not dangerous, it can impact ...
During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.
Around 41,000 years ago, Earth’s magnetic field underwent a chaotic shift that temporarily weakened the planet’s natural ...
Although this event did not result in a complete reversal of the magnetic field, it did cause a significant weakening—down to just 10% of its current strength—allowing energetic particles from the Sun ...
About 41,000 years ago, Homo sapiens may have survived increased solar radiation caused by a weakening magnetic field by ...
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talker on MSNResearch reveals how ‘sunscreen’ saved cavemen 40,000 years agoAncient homo sapiens may have benefitted from mineral-based sun protection, living in caves and even tailored clothing.
While the magnetic reversal didn't complete at the time, the magnetic field weakened to cause aurora ... a mineral that has sun-protective properties when applied to the skin, with greater frequency.
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