Once upon a time, certain insects evolved to be social in a very particular way. They evolved to be fully devoted, each of them, to the well-being of the larger group in which they lived. Their identities became wholly subsumed into supporting the collective. These are the colony dwellers. Everyone in the colony has a role, and to fulfill it some forgo even the activity most often seen as a marker of biological success: they never reproduce at all. Instead, these insects spend their lives foraging for food to bring back to their nest-mates, whose role it is to have the babies. This turns the
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