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National Science Foundation

Common Scents: Chemistry of Smell

Common Scents: Chemistry of Smell--Smell that? Our sense of smell is a complex set of chemical reactions. In this 21st Century Chemist profile, California Institute of Technology chemist Nate Lewis explains his work developing an artificial, electronic "nose" that can read odor patterns to detect and distinguish odors.

Credit: NBC Learn and the National Science Foundation (NSF)


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