Tunnel Digging Ants (IMAGE) Georgia Institute of Technology Caption To understand their strategies for working effectively without clogging traffic jams, researchers studied how fire ants dug tunnels in glass particles that simulated soil. Credit Rob Felt, Georgia Tech Usage Restrictions None 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.