Steven Gregory, University of Houston (IMAGE) University of Houston Caption Mathematical biology major Steven Gregory hopes his research in the University of Houston's Summer Undergraduate Research Fellowship program leads to improvements in the approaches used to diagnose Alzheimer's disease. Credit University of Houston's Honors College 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.