SienaGlenn (IMAGE) Washington State University Caption Siena Glenn, a Washington State University Ph.D. student uses a high-powered microscope. Glenn, working with Assistant Professor Arden Baylink and colleagues, has published research showing that some of the world's deadliest bacteria seek out and eat serum, the liquid part of human blood. Credit Ted S. Warren, Washington State University College of Veterinary Medicine Usage Restrictions For use only with stories associated with this press release License Original 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.