> I've been watching this area for several decades and noting the > numerous studies which "prove things conclusively" from both sides. > There is NO single mechanism that does a good job of providing a > plausible explanation I don't want to argue for any viewpoint in this discussion, but note that the fact that no good explanation exists for an observation can of course not be used as argument against that observation! Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist