Earth’s magnetic field went wild 600 million years ago and scientists finally know why

Hundreds of millions of years ago, Earth’s magnetic field behaved in a way that has long baffled scientists, showing wild and seemingly chaotic shifts unlike anything seen before or since. A new study suggests this chaos may actually hide a deeper pattern: instead of random fluctuations, the magnetic field may have followed a global, organized structure.

from Latest Science News -- ScienceDaily https://ift.tt/ACTMX0m