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Is the glass half-full, or half-empty? An optimist will always call it half-full, and the pessimist will inevitably deem it half-empty. Since …

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There’s a certain look on students’ faces when they’re learning. Behind that expression their brains are making connections, associations, pro…

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The United States fields an overpowering army of teachers. In mid-July, our combined armed forces included only 1.3 million people; in June, E…