Costa Rica Volcano/Microbe Research (image) University of Tennessee at Knoxville Share Print E-Mail Caption Photo of a rock sample taken while microbiology professor Karen Lloyd and Ph.D. student Katie Fullerton were on a research trip to Costa Rica. Lloyd and her team studied carbon lifeforms in warm springs and volcanos. Scientists from around the world participated in the study. Location: Irazu Volcano. Credit Photo by Tom Owens. 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.