The current world-wide problem of antibiotic resistant bacteria has taken microbiologists to study deeper and deeper the effects of Space in antibiotic efficacy and on microbial virulence. We know now that bacteria can become more pathogenic while in microgravity, putting astronauts’ health at risk. Staphylococcus aureus is one of the bacteria resistant to antibiotics, and it was one of the first to have its survival tested under space conditions – download its coloring pdf here!