Some people seem to think that behavior is behavior only when it is a mystery, Hall continued. But once any piece of behavior is understood at the mo… - Jonathan Weiner

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Some people seem to think that behavior is behavior only when it is a mystery, Hall continued. But once any piece of behavior is understood at the molecular level, it all comes down to metabolism, whether we are talking about the way a weaver ant folds a leaf, a weaverbird weaves a hanging nest, a human being learns and speaks Swahili, or a fly rises with the dawn and settles down at dusk. “Benzer was once subjected, in my earshot,” Hall said, “to some dumb question like ‘Is that the mind or the brain?’ But every aspect of mind and brain is ultimately metabolism! What do we think? Some kind of electric aura hovers around our heads?” We still seem to want something outside the mechanism, Hall said, some deus ex machina to save us from the clockwork that we have been exploring above and inside our heads for the last several centuries. It is now time for us to accept that behavior is as much a part of the material world as the stars above us and the atoms inside us. All behavior turns on molecular clockwork, Hall said, yet all behavior is fascinating.