Wound Healing Trigger (VIDEO) Vanderbilt University This video is under embargo. Please login to access this video. Caption A team of physicists and biologists at Vanderbilt University have used an ultraprecise ultraviolet laser to track the calcium signaling produced by cell injury that triggers healing with unprecedented precision. Credit Michael Todd, Vanderbilt University 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.