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#Introduction  From 2012-2014, we conducted a nationwide citizen science project, Project MERCCURI [http://spacemicrobes.org/](http://spacemicrobes.org/), aimed at raising public awareness of microbiology and research on board the International Space Station (ISS). Project MERCCURI (Microbial Ecology Research Combining Citizen and University Researchers on the ISS) was a collaborative effort involving the "microbiology of the Built Environmnet Environment  network" (microBEnet) group, Science Cheerleader, NanoRacks, Space Florida, and SciStarter. One of the goals of Project MERCCURI was to examine how a number of non-pathogenic bacteria associated with the built environment would grow on board the ISS compared to on earth. Most previous work growing bacteria in space has focused on species known to contain pathogenic strains (e.g. _Escherichia coli_ \cite{9043122} \cite{12521048} and _Pseudomonas_ \cite{21169425} \cite{24192060}), and much less attention has been paid to the "normal" microbes that surround us (i.e., species not known to be pathogenic). An understandable bias towards pathogens and pathogenic pathways is highlighted by work on topics such as biofilm formation (\cite{23658630}, \cite{11179638}), antibiotic resistance/production (\cite{16091928}, \cite{11543359}, \cite{12483468} reviewed in \cite{16460819}), and virulence (\cite{10816456}, \cite{24283929}).