Yesterday I killed a spider and today I saved a potato bug. What makes us despise spiders so much, and yet we see a potato bug and instantly we want to hold it in our hands? I think it has to do with the timidity of the potato bug as compared to that of the spider. A spider is not afraid to make a sudden move or to jump on you and the thought of not knowing to where it has gone, hiding somewhere in the depths of the corners of your room, makes it painfully scary. It is that lack of kn...