How the Immune System Sounds the Alarm (VIDEO) Salk Institute This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Scientists at the Salk Institute have discovered that T cell triggering relies on a dynamic protein network at the cell surface, as reported on Aug. 3, 2015, in Nature Immunology. Credit Salk Institute Usage Restrictions with related coverage and credit 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.