Went to see Horton Hears a Who with the kids, who had a blast. Afterwards we talked about things that you can’t see, can’t hear, can’t smell and yet exist (despite the kangaroo’s insistence to the contrary). This was great fun with the conversation ranging from bacteria to magnetic fields. But we did not touch on something even more profound simply because it is too abstract for the kids (and as I have come to realize, for most adults too): probability. We live in a world in which randomness ...