An antimicrobial coating made of precious metals reduced growth of bacteria on contamination-prone surfaces inside the ISS, where extreme conditions can foster antibiotic-resistant superbugs
Astronauts leave behind many things when they boldly go. Bacteria, however, stay with them.
Extreme spaceflight conditions can force these bacteria to toughen up, while simultaneously lowering the immune defenses of the stressed, isolated crew. These effects – and the risk of infection – grow with mission duration.