- United States Department of State
1390 Products found
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Green products have been around since the 1970s, but it's only in recent years that they've become...Added April 23, 2014 - This item has been added.
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Outdoor Classrooms: A Handbook for School Gardens is ideal for teachers and home educators who...Added April 23, 2014 - This item has been added.
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Even science fair enthusiasts may dread grappling with these two questions:
1. How can you...Added April 23, 2014 - This item has been added.
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The American republic will survive only if its citizens are educated—this was an article of faith...Added April 23, 2014 - This item has been added.
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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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James Tobin, award-winning author of Ernie Pyle's War and The Man He Became , has penned the...Added April 23, 2014 - This item has been added.
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Basher Science: Human Body, A Book with Guts! Created & illustrated by Simon Basher, written by...Added April 23, 2014 - This item has been added.
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The bestselling author of Dogs That Know When Their Owners Are Coming Home offers an intriguing...Added April 23, 2014