Hypothermia has strange effects. When rescuers reached Lincoln Hall, an Australian mountaineer who had spent a night out above 8,000 meters on Everest in temperatures of minus 30 degrees Celsius, he was trying to remove his jacket. Extreme cold can leave victims feeling hot. That example is offered from the Chinese economist Li Xunlei, who is fascinated by the tendency of those suffering from severe hypothermia to take off their clothes. There is an analogy: I am not a medical specialist, but I