News tagged with odor

Wiring for smell sets up early, then persists

To accommodate a lifetime of scents and aromas, mammals have hundreds of genes that each produce a different odorant receptor. The complex and diverse olfactory system they build remains adaptable, but a ...

Apr 10, 2014
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Body odor changes following vaccination

Our understanding of the role of body odor in conveying personal information continues to grow. New research from the Monell Chemical Senses Center and the U.S. Department of Agriculture (USDA) reveals that ...

Apr 02, 2014
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Earwax: A new frontier of human odor information

Scientists from the Monell Center have used analytical organic chemistry to identify the presence of odor-producing chemical compounds in human earwax. Further, they found that the amounts of these compounds differ between ...

Feb 12, 2014
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Odor

An odor or odour is caused by one or more volatilized chemical compounds, generally at a very low concentration, that humans or other animals perceive by the sense of olfaction. Odors are also commonly called scents, which can refer to both pleasant and unpleasant odors. The terms fragrance, scent, and aroma are used primarily by the food and cosmetic industry to describe a pleasant odor, and are sometimes used to refer to perfumes. In contrast, malodor, stench, reek, and stink are used specifically to describe unpleasant odors.

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