Notebook

Going For The Gold A team of four United States high school students placed fourth at the 24th International Chemistry Olympiad, held July 11-17 in Pittsburgh. Out of 33 countries, they were bested only by China, Hungary, and Poland. The annual competition was hosted by the U.S. for the first time since its inauguration in 1968 and was organized this year by the American Chemical Society. Medals were awarded at the National Academy of Sciences in Washington, D.C., on July 21 . Swaine Chen, from