- United States Department of State
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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 - This item has been added.
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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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NEW YORK TIMES BESTSELLER
"An impassioned book, laced with anger and indignation, about how our...Added April 23, 2014 - This item has been added.
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President Eisenhower, who was not always the best student, once wrote, "One cannot always read a...Added April 23, 2014 - This item has been added.
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Find out how best to develop HIV prevention programs that work
Community Collaborative...Added April 23, 2014 - This item has been added.
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Need help with Geometry? Designed to replicate the services of a skilled private tutor, the new...Added April 23, 2014 - This item has been added.
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"Let your social and environmental conscience be your guide" can be a successful and durable...Added April 23, 2014