Earth News: Magnetic Fields, Sloth Farts, and Anti-Aging?
Discover Earth news: Magnetic field anomalies, Iceland volcano eruption, surprising sloth farts, psilocybin's anti-aging, and solar plasma plumes. Can land sink below sea level?
Listen to haunting sounds of Earth’s magnetic field flipping 41,000 years ago in eerie new animation
Evidence of this geomagnetic excursion, known as the Laschamp event, can be found in ancient lava flows, which contain unusually high ratios of certain isotopes caused by increased levels of cosmic rays.
Earth’s outer core may hold a hidden ‘doughnut’
Specifically, the slowed seismic rays may be a result of lighter elements in the outer core, study co-author Hrvoje Tkalčić, a geophysicist at Australian National University, said in a statement.