Pollution may have benefit. Laurence Kalkstein said his research shows there is a correlation between extremely hot weather and higher mortality. Louis and Philadelphia- are using the models to issue health watches and warnings, Kalkstein said. He said the weather seems to have an impact on all mortality. Pontiac, Mich., Oakland Press , Nov. 29.
Some plants do thrive off salt water .
The Halophytes Biotechnology Center at the University of Delaware College of Marine Studies in Lewes, Del., is a clearing house for research and education involving such plants, which have many uses. Halophytes include grasses, shrubs and trees. Primos, Pa., Times , Nov. 30. Opinions divided over math curriculum. Wallingford-Swarthmore Superintendent Bruce Kowalski prefaced a presentation on the district's math curriculum by saying it's the subject he receives the most comments about, pro and con.