Angry Ants (IMAGE) Vanderbilt University Caption Ant societies are based on on a friend or foe model, where protecting the queen and the colony is vital. Vanderbilt is studying aggression in ants to better understand this structure and behavior. Credit Vanderbilt University / Joe Howell Usage Restrictions With appropriate credit 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.