Labels:bulletin board | reckoner OCR: Sex and climatic change may not be numbered among the six essentials but they add spice and speed toa Darwinian process whether it operates in milliseconds or millennia Note that an 'essential" is not Darwinian by itself: for example selective survival can be seen when flowing water carries away sand and leaves pebbles behind Let US consider how these principles might apply to the evolution of an intelligent guess inside the brain Thoughts are combinations of sensations and memories in a way they are movements that have not happened yet (and maybe never will). They exist as patterns of spatiotemporal activity in the brain each representing an object action or abstraction estimate that a single cerebral code minimally involves few hundred cortical neurons within a millimeter of one another ...