  urlLink TAP: Vol 12, Iss. 20. Of Slime Mold and Software by Harvey Blume. reviews Emergence: The Connected Lives of Ants, Brains, Cities, and Software By Steven Johnson. Headline finding: that emergence - "the movement from low-level rules to high-level sophistication. " is a 'bottom up' phenomenon.
Worthy of further study I'd say. Hmmm twenty five dollars... 
