These links are very interesting - visual representation of connections and concentrations of scientific paradigms
If you're using Firefox 3.x You can magnify the diagrams to make them readable. Don't know how it plays in IE.
overall...
http://didi.com/brad/mapOfScience/international concentrations ...
http://didi.com/brad/mapOfScience/nations15_50pct.jpgAnd this one examines patent-generating paradigms...
http://didi.com/brad/mapOfScience/patents10_50pct.jpg