Many of history's enlightened sages, from Descartes to our mothers, have dispensed the following wisdom to those of us trying to resolve an exasperating dilemma: "Calm down." The suggestion stems, of ...

It was a wet and windy Tuesday morning. I was on my way home from the shops, in the comfort of my heated car. As I was passing the crooked house next to the big stream, I spotted Descartes on the side ...