Most-Wanted Particle Appears, Perhaps

Tantalizing new clues of a long-sought subatomic particle have set the particle-physics community abuzz. Vivid but sparse signs of the so-called Higgs boson at the Large Electron-Positron Collider (LEP) in Switzerland have also sparked a desperate race against time to catch further glimpses before researchers pull the plug on the 11-year-old machine.