What ants can teach humans about tyranny, co-operation, and the division of labour. “We know now that ants do not perform as specialised factory workers. Instead ants switch tasks. An ant’s role changes as it grows older and as changing conditions shift the colony’s needs. An ant that feeds the larvae one week might go out to get food the next. Yet in an ant colony, no one is in charge or tells another what to do. So what determines which ant does which task, and when ants switch roles?”