41,000-Year-Old Earth Magnetic Field Flip Caused Global Upheaval
A 41,000-year-old event known as the Laschamps flip dramatically altered Earth’s magnetic field, leading to a global catastrophe. Scientists have recreated the eerie sounds of this ancient event using data from ESA’s Swarm satellite. The weakened magnetic field allowed cosmic radiation to penetrate Earth’s atmosphere, causing damage that may have destroyed the ozone layer and … Read more