An online article describes how rats been trained to run computer cabling
through old school buildings.
 
http://www.sjmercury.com/business/rats092797.htm
 
A problem is it takes up to 3 months to train the rats and they only live 2
years.  They should try using ferrets--oops never mind, this is in CaCa land!
 
Linda Iroff
North Coast Ferret Shelter
http://www.oberlin.edu/~liroff/ncfs.html
[Posted in FML issue 2080]