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The fascinating reason why rain smells the way that it does

Séamus Bellamy
Apr 22, 2026
∙ Paid

Forest man72/Shutterstock

I read today that humans are more sensitive to the smell of an impending rainstorm than sharks are to the scent of blood. However, the funky odor that we associate with rain a-comin’ isn’t in the rain itself, nor is it the smell of wet asphalt, as I used to believe as a kid. It’s an aroma created by a compound called geosmin.

Geo…

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