+Geosmin is an organic compound responsible for the distinct earthy scent after rain, famously known as [Petrichor](/wiki/petrichor). Produced by various [Bacteria](/wiki/bacteria) in soil, its potent aroma is detectable by humans at extremely low concentrations.
+## See also
+- [Petrichor](/wiki/petrichor)
+- [Odor](/wiki/odor)
+- [Taste](/wiki/taste)
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