C. Elegans Under A Microscope (IMAGE) University at Buffalo Caption This is a microscope image of the worm species C. elegans. Certain neurons involved in dopamine signaling are shown in red, while certain other neurons, including those involved in sensing smell, are shown in green. Credit Jordan Wood Usage Restrictions These images may only be used with news stories that discuss the research described in the associated press release. 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.