Lillis Hall, University of Oregon (image) University of Oregon Caption Researchers at the University of Oregon gathered dust from Lillis Hall, the main building of Lundquist College of Business, and identified the bacterial makeup of offices, classrooms, restrooms and hallways. The findings could help architects in building new structures that promote a healthy indoor environment. Credit University of Oregon Usage Restrictions None 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.