Brown University chemists have found the origins of an odor - the sweet smell of fresh dirt. In Nature Chemical Biology, the Brown team shows that the protein that makes geosmin - source of the good earth scent - has two similar but distinct halves, each playing a critical role in making this organic compound.
Good earth: Chemists show origin of soil-scented geosmin
- PhysOrg
- 16. 9 2007 (20:06)