Research Video (VIDEO) University of Plymouth This video is under embargo. Please login to access this video. Caption Kilian Eichenseer and Dr Uwe Balthasar explain research suggesting evolution of life in the ocean changed 170 million years ago. Credit 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.