Researchers Holding Vacuums (image) American Society for Microbiology Share Print E-Mail Caption The vacuums the researchers are holding were among those that had bags and emissions assayed in the study. Other experimental equipment is in background. The researchers pictured are, L-R, Knibbs, Caroline Duchaine, and Congrong He. Credit researchers Usage Restrictions None 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.