HippoCampus is an open and free resource for personalized learning for students and teachers from middle school to college. Users can exlore thousands of videos in 13 core academic areas.

Different from a search engine, WolframAlpha is a computational knowlege and answer engine. Wolframalpha computes "expert-level answers using Wolfram's breakthrough algorithms, knowledgebase and AI technology" (WolframAlpha).

Learn all about cells and their functions at this site that offers video segments and animation, as well as detailed photos and diagrams. There is a homework section that helps you direct your search to find the information that you need, from how to cite this site in a paper to how to get permission to use the photos to how to use the index and the Internal search engine. There is also a list of useful links that will provide you with more information.

Go to JLab's Student Zone where studying becomes a game. Practice balancing chemical equations or go to Frostbite Theater for ideas and videos of experiments you can do at home. This site is created and maintained by Thomas Jefferson National Accelerator Facility (Jefferson Lab), a U.S. Department of Energy (DOE) Office of Science national laboratory.

Created by the National Earth Science Teachers Association, Windows to the Universe is a place to explore documents, images, movies, animations, and data sets about the Earth and Space sciences and related topics in the humanities including mythology, art, poetry, and more.

A note from Windows to the Universe: "Because we have users of all ages, the site is written in three reading levels approximating elementary, middle school and high school reading levels. These levels may be chosen by using the upper button bar of each page of the main site."

Ken Burns and his collaborators have been creating historical documentary films and more for more than forty years. Known for a signature style that brings primary source documents, images, and archival video footage to life on screen, these films present the opportunity to pose thought-provoking questions for students, and introduce new ideas, perspectives, and primary sources.

Conversations with History is a weekly series that nationally broadcasts intellectual interviews relevant to the time. The host, Harry Kreisler, interviews scholars, journalists, and policymakers from all parts of the world. You have the option of searching for interviews by name, topic, or year, and you can browse the most recent interviews that are located on the opening page. Each video is accompanied by an overview that informs you of the nature of the content.

C-SPAN Classroom Deliberations is designed to engage students in classroom deliberations about current issues being debated in the United States with carefully selected sets of video clips and newspaper articles that concisely present the leading positions related to current issues before Congress.