A virtual chemistry textbook. Provides an interactive guide for HS chemistry students. CHEMystery further expands chemistry knowledge by letting user interact with other Internet resources.
The Freesound Project is a collaborative database of Creative Commons licensed sounds. Freesound focusses only on sound, not songs. This is what sets freesound apart from other splendid libraries like ccMixter.
An online publication produced by the CIA for the use of U.S. government officials. Browse through many foreign countries profiles, maps, and transnational issues.
Ask Here PA is Pennsylvania's new statewide live chat reference service and is a free service to all residents of Pennsylvania, offering live chat reference 24/7.
The internationally recognized WorldImages database provides access to the California State University IMAGE Project. It contains almost 75,000 images, is global in coverage and includes all areas of visual imagery. WorldImages is accessible anywhere and its images may be freely used for non-profit educational purposes. The images can be located using many search techniques, and for convenience they are organized into over 800 portfolios which are then organized into subject groupings.
"Study the effects of the Great Depression and World War II on specific groups such as African Americans, women and children by studying images, maps, documents and life histories. Trace the history of labor unions. Access photographs taken by Works Progress Administration photographers and read expert commentary on Dorothea Lange's famous "Migrant Mother" picture."
[Corrected link] "Mr. Kohn talks about his book, The Schools Our Children Deserve: Moving Beyond Traditional Classrooms and "Tougher Standards", published by Houghton Mifflin. The book challenges the current state of education, and proposes multi-age, interdisciplinary classrooms. After his remarks he answered questions from the audience. "