N. Emilio Baldaccini

3 posts

Animal compasses: the geomagnetic field

The geomagnetic field as a source of directional information The Earth, due to its constituent characteristics, is comparable to a huge magnet. We live like this, like it or not, immersed in the lines of force of its magnetic field. These envelop our planet starting from a point close to […]

Animal compasses: the Sun and the Moon

That animals knew how to use the sun to guide their large or small movements was the first important acquisition in the field of orientation towards a defined destination (migration and homing).Felix Santschi, a doctor who moved from Switzerland, operated in Kairouan, Tunisia in the early 1900s. With simple field […]