Dead Heat: Why don't Americans sweat over heat-wave deaths?

By Eric Klinenberg
Slate

It's not easy to picture a heat wave. We all carry stock mental photos of more camera-ready extreme weather, such as hurricanes, tornadoes, earthquakes, and floods. These natural disasters are so visually spectacular that they make the front page or the TV news even when they occur in remote places. Extreme heat, on the other hand, is invisible.