Tso Liu, University of Illinois at Urbana-Champaign (image) University of Illinois at Urbana-Champaign Share Print E-Mail Caption Illinois civil and environmental engineering professor Wen-Tso Liu leads a team of researchers who are studying how microbial communities assemble within indoor plumbing systems. Credit L. Brian Stauffer Usage Restrictions Photo may be used with stories related to the press release. Credit is required. Photo by L. Brian Stauffer. Share Print E-Mail 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.