Embryo Development (Video) (VIDEO) University of Plymouth This video is under embargo. Please login to access this video. Caption A time lapse video comparing the development of three pond snail embryos Credit Oliver Tills/University of Plymouth 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.