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We know that every single ant produces pheromones to communicate and inform others. When there are millions of ants, how do they handle that many signals without getting confused?

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  • $\begingroup$ Why expect every signal to be different? Many would be redundant or boosting, along a trail leading to much food or in the presence of predators, for example. Then there's likely a priority system that would let "colony in danger" signals block out everything else. $\endgroup$ – Nij Sep 10 '16 at 8:05

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