The researchers used signs (IMAGE) University of Bonn Caption to clearly inform customers that they could also ask for a smaller portion of meat. Credit Photo: Gloria Sindermann Usage Restrictions This image may be used together with the press release. 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.