Take, for example, the “sofa problem”: a conundrum that has both stumped mathematicians for decades, and also been “solved” ...

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Elizabeth I gave her name to a golden age of poets, statesmen and adventurers. Known as the Virgin Queen, or Gloriana, her union with her people became a substitute for the marriage she never made.

THE late Prof. Gibson's “Elementary Treatise on the Calculus” won the admiration of scrupulous teachers for a carefulness far in excess of what was thought adequate thirty years ago in a first ...

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And over that time, Advanced Placement calculus courses have become synonymous with the height of academic achievement. Yet taking calculus in high school often fails to translate into success in ...

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