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The Science of Scent

The Science of Scent

Does Stress Sweat Smell the Same as Exercise Sweat?

Sweat from the same men smelled stronger during stress despite a smaller collected quantity. Separate trials tested three unperfumed antiperspirants 48 hours after their final application.
2026.11.03
The Science of Scent
The Science of Scent

Do Different Toilet Fragrances Reduce Unpleasantness Differently?

A residential toilet study compared floral and herbal air freshener/deodorizers against simulated fecal odor, measuring unpleasantness and acceptability over time.
2026.11.03
The Science of Scent
The Science of Scent

Tracing Lingering Urine Odor in a Care Facility to Its Sources

Researchers combined smell assessments, p-cresol measurements, and bacterial tests to locate urine-odor sources and track a year of targeted cleaning at one care facility.
2026.11.03
The Science of Scent
The Science of Scent

Which Receptors Detect the Characteristic Smell of Grapefruit?

Improved cultured-cell assays revealed receptors for grapefruit and other signature odorants. Ambrox stereoisomers also showed why more than one receptor can matter.
2026.11.03
The Science of Scent
The Science of Scent

Why the Same Molecule Can Smell Sweaty or Vanilla-Like

OR7D4 variants help explain differences in androstenone perception. Cell experiments and human tests connect receptor function with intensity, pleasantness, and detection.
2026.11.03
The Science of Scent
The Science of Scent

A Nose Sensitive to Musk Is Not Necessarily Sensitive to Other Odors

A study of OR5AN1 links genetic variation with some musk ratings and muscone detection, while neighboring OR5A1 helps explain a contrasting association with β-ionone.
2026.11.03
The Science of Scent
The Science of Scent

Does Coloring White Wine Red Change Its Aroma Vocabulary?

Professional wine reviews and an experiment with 54 enology students revealed connections between visible color and the words used to describe aromas.
2026.11.03
The Science of Scent
The Science of Scent

A Hard-to-Detect Ingredient Can Make a Blend Easier to Notice

Very dilute acetic or butyric acid improved detection of maple lactone mixtures beyond independent-detection predictions within a particular concentration range.
2026.11.03
The Science of Scent
The Science of Scent

When Two Odors Mix, Which One Shapes Pleasantness?

Across 198 binary mixtures, pleasantness often shifted toward the stronger component, but exceptions such as vanillin complicated the pattern.
2026.11.03
The Science of Scent
The Science of Scent

Calling a Peach Scent Food or Body Lotion

Labeling the same fragrances by source or use altered anterior cingulate responses, without a clear change in reported pleasantness or intensity.
2026.11.03
The Science of Scent
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