Dr. Lena Grinsted, University of Sussex (VIDEO) University of Sussex 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 Dr. Grinsted explains her new research which shows that wasps have trading partners and compete for the 'best trade deals.' Credit University of Sussex 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.