HEATKEYS

FactCheck.org monitors the accuracy of claims by politicians, political ads and chain e-mails. We cut through the spin and tell you what is true and what is false.

ushistory.org, created and hosted by the Independence Hall Association in Philadelphia. Colonial and Revolutionary history centered in Philadelphia, PA

Check out the beautiful photos at http://350.org! We're building a global movement to solve the climate crisis -- Join me as we get to work on climate solutions all around the world. (and join us on Facebook, too: http://facebook.com/350.org)

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Award-winning, trustworthy, and credible health information and tools for patients from American Academy of Family Physicians.

Search for family ancestors. Billions of free family tree, family history, ancestry, genealogy and census records.

DonorsChoose.org is an online charity that makes it easy to help students in need through school donations

This is an authorized Web site of Jehovah’s Witnesses. It is for the distribution of publications and other information to Jehovah’s Witnesses worldwide.