The American Chemical Society discusses how chemists are celebrating Earth Day this year. Users can learn how to take part in the 2004 Unifying Event - Testing the pH of Rain Water. Kindergarten through twelfth graders...

This site is provided by North American Weather Consultants, Inc. The site briefly answers questions such as "when did application of modern cloud seeding technology begin?," "Is cloud seeding effective?," and "Do the...

This web site lists cohousing communities in the United States and abroad with links to their web sites. It also lists products, such as books and videos; services, including professional consulting; and other resources...

The mission of the Convergence Technology Center is "to meet the growing need for skilled specialists in the area of Convergence Technology and Home Technology Integration." Their website provides resources for such...

The Core-Mathematics Project (CPMP) involved four years of research, development, and evaluation in over 35 high schools in Alaska, California, Colorado, Georgia, Idaho, Iowa, Kentucky, Michigan, Ohio, South Carolina,...