Convo with granddaughterHer: gramma your arm flaps are funnyMe, wiggling them: yes, they are!Her: did you know there are 3 kinds of bats (tells me what they are)Me: where did you learn that?Her: I don’t know.Me: Do you think gramma can fly with her arm flaps?Her, laughing: no, grammaMe: how about gliding like a flying…