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http://www.ted.com Professor Stephen Hawking asks some big questions about our universe -- How did the universe begin? How did life begin? Are we alone?
Welcome | Flat World Knowledge
We are the world's largest publisher of free and open college textbooks. With our ever-expanding catalog of top quality books by expert authors, now is your chance to be a hero and help your students save thousands of dollars. Get started today and join the textbook affordability movement.a place to view and share educational material made of small knowledge chunks called modules that can be organized as courses, books, reports, etc . Anyone may view or contribute:
Connexions - Sharing Knowledge and Building Communities
OCW Search is a search engine dedicated to helping you find the best free university courses online. Several universities publish their course materials for free online, under the OpenCourseWare (OCW) initiative. OCW Search is an independent search engine that indexes all these courses so you can find these courses faster.
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Smarthistory.org is a free and open, not-for-profit, art history textbook. Part of the Khan Academy, we use multimedia to deliver unscripted conversations between art historians about the history of art. We are seeking contributors—especially for canonical non-Western material and other survey topics not yet covered. We welcome comments, feedback and corrections. More >
Smarthistory: a multimedia web-book about art and art history
If you are having trouble locating a specific resource, please visit the search page or the Site Map . The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue. Students, members of the community, and users worldwide will find information to assist with many writing projects. Teachers and trainers may use this material for in-class and out-of-class instruction. In addition, we invite users to submit brief, writing-related questions to our OWL Mail Tutors . You may also find our grammar blog useful .
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