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

Groundbreaking developments in science, space, technology, health, and the environment

Explore HISTORY shows, watch videos and full episodes, play games and access articles on historical topics at History.com.

First hand accounts, illustrated with vintage photos, original radio broadcasts.

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PolitiFact.com is a project of the St. Petersburg Times to help you find the truth in Washington and the Obama presidency.

MNN is the leading resource for daily environmental news, green commentary and simple steps to save money, stay healthy, and support the planet.

For the student or professional - famous inventors and inventions - history timelines - patents trademarks and copyrights - manufacturing resources - interviews with successful inventors - understanding the business of how to sell or license your new...

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