Ants avoiding a jam

Too many ants spoil the tunnel.

Ants avoiding a jam.
Ants avoiding a jam.
Rob Felt, Georgia Tech

To understand their strategies for working effectively without clogging traffic jams, researchers studied how fire ants dug tunnels in glass particles that simulated soil. The result? Only 30% of ants dig at a time, while the others stand back to let them work.

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