JoinAsk the Experts -- September 2006
In this month's "Ask the Experts" column, the Experts respond to the following thought-provoking questions: "If water boils at 100°C, how can a glass full of water evaporate at room temperature, about 20-25°C? "Why do glaciers look blue?" and "How many substances, besides water, are less dense in their solid state than in their liquid state?"