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Mathematicians thought that they understood how rotation works, but now a new proof has revealed a surprising twist that ...

As Eckmann put it, the discovery shows “how rich mathematics can be even in a field as well-trod as the study of rotations.” ...

This story was excerpted from Rhett Bollinger’s Angels Beat newsletter. To read the full newsletter, click here. And ...

More San Diego County students passed the tests than a year earlier. But performance still ...