- United States Department of State
381 Products found
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Offers experiments and activities using the properties of light and optics.Added April 23, 2014 - This item has been added.
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Babies crying, school bells ringing, cars roaring by, the ding signaling that a new text message...Added April 23, 2014 - This item has been added.
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We all learned that the ratio of the circumference of a circle to its diameter is called pi and...Added April 23, 2014 - This item has been added.
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Building on the progress of those who have come before, women in the last two decades of the 20th...Added April 23, 2014 - This item has been added.
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After the September 11, 2001 attacks, the United States went to war. With thousands of Americans...Added September 5, 2013 - This item has been added.
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Bestselling author John Green returns with an eagerly anticipated and emotional novel about...Added August 14, 2013 - This item has been added.
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The all-in-one trip planner and travel guide-now totally revised and updated-will steer you down...Added August 13, 2013 - This item has been added.
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Written with full cooperation from top management, including cofounders Sergey Brin and Larry...Added August 13, 2013 - This item has been added.
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A guide to expand and enhance the tools available to financial professionals to solve problems...Added August 6, 2013 - This item has been added.
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Within a few years of its first issue in 1951, Jet, a pocket-size magazine, became the "bible" for...Added August 6, 2013
