Quick aside on 'Eureka' places. The article notes 'Real progress comes in the field writing notes, at the office amid a litter of doodled paper, in the corridor struggling to explain something to a friend, at lunchtime, eating alone, or in a garden while walking'

Am I the only one that has this relation between ideas and temperature? If I take a sauna, it is like my brain shifts into a completely different gear, new ideas and deep insights are generated at high speed. When I'm cold, I can barely do basic math.