Worms Under the Microscope (IMAGE) Scripps Research Institute Caption The nematode worm C. elegans is commonly used by neuroscientists to understand the nervous system. Scientists at Scripps Research in Florida used it in a new way to discover fresh insights about how cells regulate opioid signaling. Credit Scott Wiseman for Scripps Research 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.