37 degrees Celsius in Taipei. 41 in Seville. 38 in Moscow. It's the world heatwave, so what do you do to fight the heat? Stay out of the sun is one solution, though in places like Taiwan, that doesn't help you much. The heat in the shade is as intense as in the sunlight.The only other obvious method is: take your clothes off.Even one of the most authoritative newspapers in the world, the New York