- United States Department of State
2353 Products found
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By any measure, the Pythagorean theorem is the most famous statement in all of mathematics. In...Added April 23, 2014 - This item has been added.
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Trigonometry has always been an underappreciated branch of mathematics. It has a reputation as a...Added April 23, 2014 - This item has been added.
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Twenty five years ago, it didn't exist. Today, twenty million people worldwide are surfing the...Added April 23, 2014 - This item has been added.
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An accessible story of America's birthday brings alive the history and spirit of the Fourth of...Added April 23, 2014 - This item has been added.
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For many students, calculus can be the most mystifying and frustrating course they will ever take....Added April 23, 2014 - This item has been added.
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An international best seller embraced and endorsed by policy makers, scientists, writers and...Added April 23, 2014 - This item has been added.
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"Admirable, superbly researched . . . perhaps the most exciting tale of science since the apple...Added April 23, 2014 - This item has been added.
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Dominant history would have us believe that colonialism belongs to a previous era that has long...Added April 23, 2014 - This item has been added.
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The Spirit of Indian Women provides a unique glimpse into a world that is almost inaccessible in...Added April 23, 2014 - This item has been added.
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Your personal coach and game plan for creating a unique andaward-winning science fair project...Added April 23, 2014