Sunday reults (Saturday, U.S. time) from the swimming events at the Summer Olympics in Sydney (Q-qualified for next round; all distances in meters): 1, Domenico Fioravanti, Italy, 1:00.46 (Fred ...

During the day, natural landscapes like forests and fields absorb and release heat gradually. But in cities, all these buildings, roads, and sidewalks, all of that concrete? They act like giant heat ...