A friend of mine recently sat in a waiting room in Singapore. The room was only large enough to hold a fence of chairs around its edge with almost no space in the centre. My friend took her seat and looked at the other people in the chairs. She had nothing to do but wait.
Not long afterwards, she noticed a growing sense of unease. At first she spotted muscular movement, twinges here and there, and then one by one, the people started to glance at her. She was convinced, she tells me, that she ...
