Dana Wilde: Along came a spider By now it’s more or less accepted medical wisdom that pets provide emotional nourishment for humans, writes Dana Wilde. Share A jumping spider in temporary solitary confinement. Within an hour of its capture, it started building a silk retreat. Photo by Dana Wilde As usual by this time of year, the cat has cabin fever. He follows us around the house with his big fat orange face, complaining about it. He sits by the door urging us to let him outside. When we open it, he sees there’s still snow and marches disgusted back into the living room, like it’s s...