Wind tunnel model (IMAGE) Max-Planck-Gesellschaft Caption Miniature model of the wind tunnel. Birds in flight can be observed in the flight chamber, which is depicted in the picture’s foreground. Credit MPI for Biological Intelligence, i.f. / Stefan Leitner Usage Restrictions Use of images is limited to editorial coverage of scientific topics relating to the activities of the Max Planck Society. Any kind of commercial use (including, in particular, the exploitation of images by means of sale or incorporation in image databases or image catalogues) as well as any promotional use/use for merchandise purposes, disclosure to third parties or granting of related rights to third parties is expressly not permitted. 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.