Consciousness Is The Only Genuine Emergence Mystery

Pianos, stock markets and computers don't ontologically emerge as anything genuinely new—they are just complex configurations of atoms whose behavior is in principle predictable. The only genuinely perplexing emergent phenomenon is consciousness: nothing in the conceptual repertoire of physics would let you predict that any physical behavior should have an associated subjective feel, and we lack not just the answer but any idea of what a solution would look like.