UV Light Robot Zaps Superbugs, Saves Lives (IMAGE) Texas A&M University Caption Surfaces in hospital rooms such as tray tables, bedrails, call buttons and grab bars can be reservoirs for bacteria. A new UV light method for cleaning hospital rooms could help stop the spread of dangerous bacteria, and in turn, save lives. Credit Texas A&M Health Science Center Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.