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 […]
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We are a riverine species. It is from the rivers that our civilization was born. Then something went wrong. For a long time, our relationship with rivers has been parasitic: we use them and abuse them, we distort their course, the hydrographic networks that feed them, and therefore also the […]
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 […]
Many wonder if individual efforts can really be significant in stopping or at least mitigating climate warming and allowing the planet to replenish its resources. This question can be easily answered: the serious problems that afflict us for having disturbed so many balances are nothing more than the sum of […]
To choose and maintain a direction of movement you need a compass. But what’s the point of a compass if I don’t know my position with respect to the destination I want to reach?When a racing pigeon intends to embark on its flight home, it must first understand where home […]