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The Library of Congress. The Library of Congress is the nation

The Exploratorium isn

This is the video portal of the United Nations Webcast that broadcasts daily, live and on demand video coverage over the Internet of United Nations meetings and events at Headquarters and major United Nations conferences at other locations worldwide

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An online computer dictionary and internet search engine for internet terms and technical support.

Turnitin is the leading academic plagiarism detector, utilized by teachers and students to avoid plagiarism and ensure academic integrity.

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Perkins School for the Blind, est. 1829, where Helen Keller and her teacher Anne Sullivan were educated, helps people who are blind or deafblind reach their greatest possible independence.

Sonic Foundry is the creator of Mediasite, the leading web communications and content management system for lecture capture, event webcasting and online knowledge management.