Tatyana Sharpee, Salk Institute (IMAGE) Salk Institute Caption Tatyana Sharpee provides a theoretical framework for understanding biological complexity. 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.