27 july new scientist dead tree may be worth a squiz in the newsagents... http://www.amazon.com/exec/obidos/ASIN/0738206679/qid=1028202873/sr=2-1/ref=... Reviews of 2 books 'Linked' and 'Nexus' Popular science,I personally want to identify and target significant nodes. 13 years later New Scientist is living down 'cold fusion'...,just.