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Shop new, used, rare, and out-of-print books. Powell’s is an independent bookstore based in Portland, Oregon. Browse staff picks, author features, and more.
Sex education is instruction on issues relating to human sexuality, including emotional relations and responsibilities, human sexual anatomy, sexual activity, sexual
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Editor’s Note: Science-Metrix a Montreal-based company reports that Iran is showing fastest worldwide growth in science. For example, Iran is at the forefront of stem
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Most of the studies comparing single-sex education with coeducation focus on grades and test scores as the parameters of interest. Before we look at those studies