The Max-Planck-Institute for Ornithology in Starnberg recently published that birds are mostly navigating on their long routes of migration by using their sense of smell. They recognize their home by smell. In fact it has been revealed, that the sense of smell plays a more important role in their navigation than for example the sun or the magnetic field.
Also for humans the smell of a landscape in which we grew up (the sea, the desert or the jungle) or the megacity have had a strong influence on us and has been deeply inscribed in our memories. Although for us humans modern technical tools (satellite navigation) have replaced the skill of finding orientation by using ones own senses. The importance of perception with the senses is an elementary part comprehending our environment.
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