Researching Vein Stiffness (IMAGE) University of Delaware Caption With the assistance of doctoral students Megan Wenner (on gurney) and Erin Delaney, cardiovascular physiologist William Farquhar demonstrates his research to determine vein stiffness at a recent open house at the Human Performance Lab in the UD College of Health Sciences. Credit Tyler Jacobson, University of Delaware Usage Restrictions This photograph may be used by reporters with appropriate credit to the University of Delaware. License Licensed 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.