Evaporation and Intermolecular Attractions

It’s a hot and sunny summer day, and you step out of the pool, cool and refreshed. Soon, however, your teeth start chattering and your lips turn blue. Water evaporating from the skin draws heat from the body, leaving you feeling cold. The “cooling effect of evaporation” is nature’s most important way of cooling not only our bodies but also the earth! How cool is evaporation?