The smallest passenger (IMAGE) Norwegian University of Science and Technology Caption The smallest passenger, a bacteria from public transport, magnified 33,000 times and turned into a sculpture measuring 2.5 x 3.1 metres. Credit Photo: Vegar Moen Usage Restrictions Use only in association with articles about this research and with proper 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.