Some smells transport us immediately to places and moments that we thought forgotten. Just with a leap, we can go back in time to our chilhood or memorable vacations in a distant country.
Our ancestors stablished a strong and positive relation with the smell of the rain, since it indicated the end of the dry season, which increase the possibilities of survival. The arrival of storms marked the awakening of nature and, nowadays, through the smell of the rain, we still perceive something similar to the real smell of life.
Petricor (of ancient Greek πέτρος pétros, stone, and ἰχώρ ikhốr, icor) is the name given to the smell of the rain when it falls on the dry soils. It is define as the distinctive smell that joins the first rain after a long drought period.