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HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

WikiAnswers: Questions and Answers from the Community

World Nuclear Association: we provide information on nuclear power, nuclear energy, sustainable development, mitigating climate change, uranium, nuclear power plants, radiation, nuclear safety and nuclear waste disposal.

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

ThinkQuest is an international competition where student teams engage in collaborative, project-based learning to create educational websites. The winning entries form the ThinkQuest online library.

A U.S. Department of Energy Office of Science national lab that brings science solutions to the world.

Get free chemistry help from expert chemistry tutors online and understand every concepts in depth. Avail a free chemistry tutoring session and also gain quality chemistry homework help.

A no-nonsense site about nuclear energy targeting the intelligent populace. Maintained by young nuclear engineers, this page is dedicated to rational discussion of this interesting energy source.

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

Kids science, math, social studies, history, geography and other educational videos, lessons, quizzes and educational games for K-12 grade kids that make learning fun and interesting.