- United States Department of State
818 Products found
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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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We have long lorded over the ocean. But only recently have we become aware of the myriad...Added April 23, 2014 - This item has been added.
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How did Martin Luther King Jr.'s birthday become a national holiday? Why do we exchange presents...Added April 23, 2014 - This item has been added.
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Arab Americans are one of the most misunderstood segments of the U.S. population, especially after...Added April 23, 2014 - This item has been added.
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Prior to the 1960s, Andrew Wyeth enjoyed a stellar reputation as a rising star in the art world....Added April 23, 2014 - This item has been added.
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Edward O. Wilson has distilled sixty years of teaching into a book for students, young and old....Added April 23, 2014 - This item has been added.
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Offers activities and experiments using forces and motion.Added April 23, 2014 - This item has been added.
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George Hurrell (1904-1992) was the creator of the Hollywood glamour portrait, the maverick artist...Added April 23, 2014 - This item has been added.
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Math and physics often go hand-in-hand. Math and measurements have even played a big role in...Added April 23, 2014 - This item has been added.
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Readers will learn what makes a robot work, then design, build, and program their very own robot....Added April 23, 2014