The master chemists known as Streptomyces bacteria have turned a compound rich with the tangy odor of moist soil into a hitchhiking scam. This group of bacteria, the inspiration for streptomycin and ...

That mysterious scent has been called “petrichor”, and the main component of it is an organic compound called geosmin, which lingers around moist soil. Geosmin comes from the ancient Greek “geo”, ...

Did you ever wonder what causes that earthy smell that rises after a light summer rain? That mysterious scent has been called “”, and a main component of it is an organic compound called geosmin, ...