The Trapped Ants (IMAGE) Pensoft Publishers Caption High density of ants observed on the day the scientists brought the escape boardwalk in the bunker. Credit Wojciech Stephan Usage Restrictions CC-BY 4.0 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.