When I first introduced my family -- through selected photographs -- to my (now) wife's family, there was muted acknowledgement as we paged through them, up there on the plateau. Until we reached this one. It is son M measuring methane emissions in a meadow in Switzerland. My mother-in-law exclaimed (translated): "Look at those beasts!" My father-in-law said: "Where in the world do you get cattle like that?" Finally, I thought to myself, I had shown them an interesting photo. OBSERVATION: M was doing (paid) research for the Eidgenössische Technische Hochschule in Zurich. It is where Albert Einstein was professor for theoretical physics.