Nuclear Physics: Siding with Symmetry

All summer long the world of physics has suffered from scientific confusion—all because experimenters from Columbia University and the State University of New York announced that they had demonstrated that nature's laws of symmetry are not inviolate. Now, less than three months later, order has apparently been restored. At a conference in Berkeley last week, scientists from the European Organization for Nuclear Research (CERN) sided with symmetry. Their own more comprehensive experiment, they said, showed no evidence of a violation of symmetry.

Center of the scientific storm is a subatomic particle called...

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