You know how you can smell metal after handling it? Well, you can't smell metal, according to this article at BioEd:

After you've grasped an iron railing, a door handle or a piece of steel cutlery, your hand often gives off what seems to be a metallic odour. But Dietmar Glindemann of the University of Leipzig, Germany, and his co-workers say that you're not smelling the metal at all. They have found that the musty odour comes from chemical compounds in your skin, which are transformed