Salk Institute -- Author Image (IMAGE) Salk Institute Caption Salk Professor Joseph Noel, pictured in his lab, next to an NMR spectroscopy machine, which is used to decipher the detail of the electronic structures of molecules. Credit Salk Institute Usage Restrictions with credit and related coverage. 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.