Georgia Tech Worm Coiling (IMAGE) Georgia Institute of Technology Caption A sequence of images showing what happens when Georgia Tech researchers illuminate the head of a worm expressing light-sensitive optogenetic reagents. The light produces a coiling effect in the head and causes the worm to crawl in a triangular pattern. Credit Georgia Tech/Hang Lu 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.