>Personally, as I think I've said before here, I think the new brain research
>is providing solid ground for deepening historical materialism and
>criticizing capitalism. The ultimate substance of value is love, and
>capitalism, being based on money, can't help but attack and stymie that
>substance.
>
>
Considering that love ain't a substance, I'd have to say that the
ultimate substance of value is carbon.