Harpegnathos saltator ants (IMAGE) Max-Planck-Gesellschaft Caption Adult Harpegnathos saltator workers have the rare ability among ants to transform themselves into so-called pseudo-queens. In the research project connected with the Max Planck-Humboldt Research Award, Roberto Bonasio, together with scientists from the University Hospital of Freiburg, wants to investigate the restructuring of the brain in ant individuals alternating between worker and queen status. Credit Daniel Burke 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 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.