NAS (IMAGE) UT Southwestern Medical Center Caption The National Academy of Sciences today elected four UT Southwestern Medical Center scientists in the fields of biophysics, cell biology, molecular biology, and stem cell biology into its membership, one of the highest honors for American scientists. Credit UTSW 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.