Uranium, Neptunium, Plutonium. They came from space; found their way here by comet and meteorite. No child ever wished this from a star. Hiroshima, Nagasaki, Chernobyl. Problems with half-lives forty-thousand years long. Half a life. Time takes half of us away and comes back later for the rest. We are children and then we are parents. We are long division. Slowly we decay into memory.