At last I have learned how my favourite search engine can give me so many search sites in so short a time.
This may be old hat to most seekers, but has only now been revealed to me. Cyberscience has certainly come a long way since I last looked in an encyclopaedia! Those curious enough to know should go to:- <http://www.google.com/technology/pigeonrank.html> where all will be revealed. Laurie McDonald #234.