dhw:In my analogy, I am pointing out that my version of the inventive mechanism (cellular intelligence) has produced programmes resulting in another inventive mechanism (human intelligence) which can create programmes of its own. Most people would say our inventive mechanism is the brain, and my version of the cellular inventive mechanism is the equivalent of the cell's "brain".-You sound like the Tin Woodman or Scarecrow, can't remember which, in the Wizard of Oz: "if the cells only had a brain".