Sniffer on the Oresund Bridge (IMAGE) Chalmers University of Technology Caption Emissions from shipping traffic are monitored using physical/chemical analysis through a "sniffer" on the Oresund Bridge. Credit Jörg Beecken 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.