The Act of Smelling

How does smelling work? We smell when odorous molecules (“odorants”) get into our noses. For us to smell things, their particles must become airborne. Nature has incredible ways of making our surroundings smell; for instance the “petrichor”, the smell of dry earth after rain, is formed through a golden oil made by plants becoming airborne after rain droplets touch the ground, creating tiny bubbles of air that carry the oil into the air and into our noses. Read full article here


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