Invading Cell in C. elegans (image) Duke University Share Print E-Mail Caption This time-lapse video of an invading cell in the lab worm C. elegans shows a fleeting protrusion that may help explain how cancer spreads. Credit Video by Kaleb Naegeli, Duke University. Usage Restrictions None Share Print E-Mail 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.