"With no central planner or decider, both brains and bee hives can resolve their inner differences to commit to single courses of action. To watch a group of bees is to see a frenzy of different interests coalesce into a single, clear thought. This is analogous to neurons in the brain, which must reach a consensus on how to achieve a behavioral goal by positioning the body in space. Bees in a hive must do something similar when deciding where to move the superorganism that is the swarm ... The remarkable unifying theme in all of these systems is how an aggregate swarm intelligence is built from just a few kinds of simple, local interactions between agents. Both neurons and bees are presumably unaware of how their impulses and signals transcend the individual, and lay the substrate for a grander, collective intelligence."
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