Earth is surrounded by a magnetic field generated by electric currents from within the planet. Compasses take advantage of this field to identify north and serve as a navigational aid. But one social ...
Most people assume a compass will behave perfectly, no matter where you take it, but the magnetic pole is a bit of a troublemaker. The rules you rely on everywhere else on the planet start to wobble ...
A protein in the retina of a migratory bird can respond to weak magnetic fields, researchers have found (Nature 2021, DOI: 10.1038/s41586-021-03618-9). The discovery suggests that the protein, ...
Imagine you are a young Bar-tailed Godwit, a large, leggy shorebird with a long, probing bill hatched on the tundra of Alaska. As the days become shorter and the icy winter looms, you feel the urge to ...
On Earth, the magnetic field of our planet points a compass north, but in space, things are a bit more complicated. When you purchase through links on our site, we may earn an affiliate commission.
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