- United States Department of State
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Help students hit a home run on their science fair project or science test. Readers will learn...Added April 23, 2014 - This item has been added.
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Do the properties of metal change when heated? Why do some objects float in water while others...Added April 23, 2014 - This item has been added.
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Unlock the secrets of circuits, batteries, and magnets. Readers will learn all about current,...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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Computers are more prevalent in our daily lives than ever before, yet many people are unfamiliar...Added April 23, 2014 - This item has been added.
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First rate advice. —APHA
What sort of training do you need to work in public health? What kinds...Added April 23, 2014 - This item has been added.
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For 50 years, Edward M. Purcell's classic textbook has introduced students to the world of...Added April 23, 2014