Artificial Rivers (IMAGE) Georgia Institute of Technology Caption Associate Professor of Biology Marc Weissburg, left, and Associate Professor of Civil and Environmental Engineering Don Webster, use a set of flumes – essentially artificial rivers – to conduct experiments on the turbulent transport of chemical odors through water and on marine animals’ behavioral responses to these chemical signals. They integrate their data to get "the big picture." Credit Georgia Tech/Gary Meek Usage Restrictions Editorial use only. 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.