(IMAGE) University of Oldenburg Caption Gerrit Wienhausen (right) and Meinhard Simon demonstrated for the first time that bacteria are capable of complex interactions in order to jointly produce a vital vitamin. Credit University of Oldenburg / Marcus Windus Usage Restrictions Use only in connection with press release and with appropriate credit 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.