In message , Gianna
writes

http://www.timesonline.co.uk/article...331369,00.html
Alan

Thanks for that link - it is nice to see the alternative causes being explored.
Meanwhile of course, the opportunity to save on the electricity and gas
bill is not one to be missed (-:

Except that you spend it on running a/c instead...
--
Paul Hyett, Cheltenham (change 'invalid83261' to 'blueyonder' to email me)