What would it feel like to have eight legs?

( Science Week , day 4!) A question that can entice both children and adults: what would it feel like to be something else – a bat, a mouse, a bird, even a tree or a primitive multi-cellular organism? Perhaps in early grade school, a teacher's answer might consist entirely of an invitation to "imagine," and such imagining is a wonderful thing to try. But even more profoundly wonderful: the…