Scientists are announcing the discovery of thousands of unidentified species living in and around homes in the United States.
NC State has a press release / mini story about the recent paper from the Wildlife of Your Homes project — Source: Citizen Science Effort Highlights How Little We Know About Invisible Life in Our Own Homes | NC State News
I note – my daugther and I sampled our house as part of this study. See http://phylogenomics.blogspot.com/2012/12/sampling-wild-microbial-life-of-my-home.html.