研究人员对沉积物岩心进行了采样，发现磁铁矿丰富的地方也存在产甲烷细菌。
magnetic fields & magnetism
Posted inNews
Scientists Captured the First Glimpse of a Rare Polar Aurora
After a decade-long search, scientists captured a type of elusive aurora on camera.
Posted inResearch Spotlights
Coronal Mass Ejection Gives Earth’s Magnetosphere Rare “Wings”
A massive disturbance in the solar wind caused Earth’s magnetosphere to fly without its usual tail.
Posted inResearch Spotlights
Microbes Likely Form Magnetite in the South China Sea
Researchers sampled sediment cores and found that where magnetite was abundant, methane-producing bacteria were as well.
Posted inEditors' Highlights
Open-Source MAGPRIME Supports Space Magnetism in the Heliosphere
MAGPRIME is a library of magnetic interference removal algorithms, including benchmarks, that can aid in the design of spacecraft by providing simulations to determine optimal magnetometer placement.
Posted inResearch Spotlights
Studying the Mystery of Uranus’s Curiously Weak Radiation Belts
The belts may not be weak at all—instead, they may be simply changing speed thanks to the planet’s asymmetric magnetic field.
Posted inNews
A Magnetic Low May Have Paved the Way for Complex Life
Multicellular life blossomed when Earth’s magnetic field was at an all-time low.
Posted inEditors' Highlights
The Not-So-Quiet Cretaceous Quiet Zone
A new study finds that Earth’s magnetic field intensity varied significantly during the Cretaceous Normal Superchron, providing insights into the operation of the geodynamo during superchrons.
Posted inNews
Magnetic Barriers Might Explain Mysterious Hot Jupiters
Hot Jupiters might end up very close to stars because a magnetic field halts their progress—and future observations could confirm the idea.
Posted inEditors' Highlights
GAD is Enough!
An exhaustive study in China finds no need to invoke extreme true polar wander nor anomalous geomagnetic fields in the early Neoproterozoic.