How Do Chimpanzees Cross Roads? (IMAGE) Cell Press Caption Dominant individuals act cooperatively and flexibly to maximise group protection. For more information, see the article by Hockings et al. in the Sept 5 issue of Current Biology. Credit Kimberley Hockings. Usage Restrictions This image may only be used to illustrate a news item about this specific researchers work. If you have questions or concerns, please contact Heidi Hardman at 617-397-2879 or hhardman@cell.com. 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.