John Quiggin: What is it like to be a bug?:
Does Nagel really believe that at some point in evolutionary history, a light flicked on in a brain somewhere, and the first experience was had?
As I understand it, yes: for Nagel, the analogy between consciousness-stuff and soul-stuff is complete. This raises the possibility that Nagel really really believes in the possible existence of philosophical zombies--a speeded-up Chinese room, for example.