Recent papers about microbiology of the built environment and water treatment. Two of them are about fish, so here is a 70s classic rock song in a modern version, to go with this post: Barracuda by Heart and Fergie. Open Access: Temporal and Spatial Stability of Ammonia-Oxidizing Archaea and Bacteria in Aquarium Biofilters –  Bagchi, Siegfried E. Vlaeminck, …