Humans are remarkably sensitive to the smell of geosmin, in particular. In water, it can be detected at concentrations as low ...

In the world of chemical perfumes, there are several common ingredients that end up becoming the soul of petrichor perfumes. One of them is vetiver essence, obtained from the roots of khus grass.

T here are few surer heralds of spring than petrichor.It’s the earthy aroma that wafts up after a good rain and comes primarily from chemical compounds called terpenes. Geosmin, for example, is a ...