The difference between True North (toward the North Pole, and usually the top of a map) and Magnetic North (where the compass needle points) is known as declination. It varies depending on your ...

Magnetotactic bacteria synthesize magnetic iron nanominerals, which function as tiny compasses that allow the microbes to navigate using Earth's geomagnetic field. Earth's iron cycle is a very ...

It's a shame how many people don't know how to use a compass, especially when the National Park Service lists it as a top 10 ...