The Science Behind That “Smell of Fall”
• The 'smell of fall' is primarily due to geosmin, an organic compound released by soil bacteria.
• Petrichor, the scent of rain on dry soil, combines with geosmin to enhance the fall aroma.
• Decomposing leaves release volatile organic compounds (VOCs) that add unique notes to the seasonal fragrance.
Fall engages senses with crisp air and colors
The crisp air, the vibrant colors, and the unmistakable scent—fall is a season that engages all our senses. But what exactly is the science behind that characteristic “smell of fall”? It’s more complex than just decaying leaves; it's a symphony of chemical compounds released by nature as the seasons change.
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