When an electric current passes through a metal wire, a magnetic field forms around that wire (see diagram at right ... and generators to operate. In the Earth (see image below right), the ...

Understanding this is crucial not only for protecting modern technology but also for uncovering deeper insights into the ...

New research sheds light on the Earth's "innermost inner core," offering new insight into the formation of the planet and its magnetic field. From our morning news briefing to a weekly Good News ...

The phase diagram shows the state ... and is thus able to generate magnetic fields (red dotted area). For comparison: At the core-mantle boundary of the Earth at a depth of approx.

This "nano-compass" allows the microbe to passively orient itself in Earth's geomagnetic field (Figure 2). These magnetic nanoparticles ... concentration (top of the diagram) swim forward to ...