Magnetoreception: the sixth sense – Magic Mistura を

Since Ancient Egypt, 3,000 years before Christ, pigeons are used as messengers. They have this use because they always know how to return home: just raise them in a specific place and these birds will know how to return there, starting from any point. Roman general Julius Caesar used racing pigeons in his military efforts against the Gauls. They also took messages in Persia, Ancient Greece, in the financial market – in 1860, Englishman Paul Reuter, founder of the Reuters news agency, used racing pigeons to send stock quotes between Brussels, Belgium, and Aachen, Germany. We have a long history with these animals. But only recently have we started to understand why they can orient themselves so well: using the planet’s magnetic field as GPS .Source: Magnetoreception: the sixth sense – Magic Mistura を