Microbiology
Microbiology (from Greek , "mīkros", "small"; , "bios", "life"; and , "-logia") is the study of microorganisms, those being unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). Microbiology encompasses numerous sub-disciplines including virology, parasitology, mycology and bacteriology.
Monserrate Román
In 1989, she applied and was hired as a microbiologist by NASA's Marshall Space Flight Center (MSFC) at Huntsville, Alabama. As a microbiologist, Román studies microbes, living organisms including viruses, bacteria, fungi and parasites, which are only visible under a microscope.