The scent of petrichor consists of geosmin, a molecule released by bacteria & blue-green algae in the soil &plant oils (phytoncides) released when rain hits leaves.
Human noses can... (🧵)
The scent of petrichor consists of geosmin, a molecule released by bacteria & blue-green algae in the soil &plant oils (phytoncides) released when rain hits leaves.
Human noses can... (🧵)