Worm chemotaxis (VIDEO) University of Toronto This video is under embargo. Please login to access this video. Caption Time-lapse video of C. elegans worms on an agar plate locating a drop of an attractive odor (blue circle). 180X actual speed. Credit Daniel Merritt Usage Restrictions Credit must be given to the creator. License CC BY 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.