
What makes the smell of summer rain so particular? The chemistry of Petricre
In the summer, after sunny days and hot asphalt, a storm arrives that downloads rain on the dry soil, perhaps after a period of drought, and we hear a particular smell. Not extremely pleasant, but a fresh, earthy aroma, for some familiar and pleasant motif. This smell has a precise name: Petriche (from the Greek Petros“Stone”, e Ichor“Lymph of the ...








