With a blown kiss out the window of the presidential limousine, George W. Bush departed the White House yesterday, closing out a presidency that spanned the height of popularity and the depths of public disdain....

With a blown kiss out the window of the presidential limousine, George W. Bush departed the White House yesterday, closing out a presidency that spanned the height of popularity and the depths of public disdain....

Dallas' Southern Methodist University is now recycling energy with one of the first commercial electricity generators that use thermoelectricity—the act of drawing power from waste heat. The machine operates by using heat given off by other processes (such as manufacturing) to boil liquids, wh...