06/02/2026
Of all the myriad animal senses, the most mysterious and controversial is the perception of magnetism.
Somehow, migratory songbirds, sea turtles, and other creatures detect Earth’s magnetic field and use its directionality to help them navigate.
Now, a new paper has found a surprising mechanism: Iron-rich immune cells within homing pigeons’ livers seem to give the birds their magnetic compass. Learn more: https://scim.ag/4v8Vscs
