Bacteria, plants and even lightning can all play a role in the pleasant smell we experience after a thunderstorm; that of clean air and wet earth. Known as petrichor, the scent has long been ...
Petrichor is the earthy aroma that follows rain. It comes primarily from chemical compounds called ... Geosmin and other terpenes, such as 2-methyl-isoborneol (2-MIB), are soluble and volatile ...