When Santa is done delivering presents on Christmas Eve, he must get back home to the North Pole, even if it's snowing so ...
A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
Fish, birds, reptiles, amphibians, and even a few mammals rely on magnetoreception for navigation. But the exact mechanism ...
Pigeons may sense Earth’s magnetic field using their inner ear, sending signals to brain areas that help with navigation and memory.
The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...
Illustration shows how a smartphone magnetometer can measure a host of biomedical properties in liquid samples using a magnetized hydrogel. Nearly every modern cellphone has a built-in compass, or ...