Liquid transport on an Araucaria leaf. (VIDEO) City University of Hong Kong This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Ethanol and water flow in different directions on an Araucaria leaf. Credit City University of Hong Kong Usage Restrictions Video must be used with appropriate caption and credit. License Original 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.