Hui Liu, Michigan State University (IMAGE) Michigan State University Caption A study by Hui Liu, sociologist at Michigan State University, finds a widening mortality gap between the married and widowed. Credit Michigan State University Usage Restrictions None 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.