In my brief flirtation with Psychology in my first year of university, I learned more than I’d ever want to know about rats in a maze.  My distaste for the exercise would come back to haunt me last year when my stepson needed a dwarf hamster for his science project.  Wendy is now a part of the family.  You can see Wendy and our home-made maze on the right. You’ve no doubt seen the images…