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

The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles discussed in a first-year high school physics course.

WikiAnswers: Questions and Answers from the Community

The community question and answer site designed to help people, to help each other: To ask, to learn, to share, to grow.

Automotive electrical training support for technicians, students, and teachers. Online ASE test prep practice exams, technical articles, tutorials.

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LIVESTRONG offers trusted health information and health news on diseases, symptoms, drugs, treatments and more. Get healthy with LIVESTRONG

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Safe Electricity, Electrical Safety Resources, electrical safety, safety tips, electrical safety tips, electrical safety videos, safety articles, electricity articles