Drs. Dean Smith and Tal Soo Ha (IMAGE) UT Southwestern Medical Center Caption Pheromone research of Drs. Dean Smith and Tal Soo Ha with fruit flies could eventually lead to new ways to manipulate the actions of harmful insects. Credit UT Southwestern Medical Center 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.