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Smell

A Controversial History, A Direct Sense, Human Vs. Animal Smell, Unknown Territory

Smell is the ability of an organism to sense and identify a substance by detecting trace amounts of the substance that evaporate. Researchers have noted similarities in the sense of smell between widely differing species that reveal some of the details of how the chemical signal of an odor is detected and processed.


Additional topics

Science EncyclopediaScience & Philosophy: Semiotics to Smelting