This article (Mutant space microbes attack ISS: Munch metal, may crack glass) has some issues (e.g., much of it is anecdotal and hard to tell how scientific or even robust much of the detailed are) but it is a very interesting example of the potential importance of microbes in the built environment. You may not care about the microbes in your buildings (though you should) but I think people understand or can imagine how microbes on a space craft could have some big effects. One thing is clear – I want access to these samples …
