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The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

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

YouTube is a place to discover, watch, upload and share videos.

Original Articles and Videos for Researching Schools, Degree Programs, Careers, and Online Courses - The Web's Largest Education Portal

Free Homework Help Videos in Math (Algebra 1-2, Geometry, Trigonometry, Precalculus, Calculus) & Science (Physics, Chemistry, Biology); SAT, ACT, AP & PSAT

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and culture at Wired.com.

Free online biology talks by the world's leading scientists. Includes full-length seminars, short talks on the human side of science and videos and resources for students and educators.

Provides 800+ Online Courses, 19000+ video lectures from 30+ best colleges and universities. Subjects include computer science, web design, psychology, Online it courses, Medical, networking, accounting. Free download.

Free Lecture Notes, Syllabus, Tutorials, Audio and Video from MIT professors. All Free. No registration. | MIT OpenCourseWare | ocw.mit.edu