Science: Hark, Hark, a Quark--Maybe

They have been sought in the showers of particles from space, in the depths of the sea and even in the stained glass windows of ancient cathedrals. Yet in more than a decade of searching, physicists have been unable to find quarks, the elusive particles that many believe to be the basic building blocks of matter (TIME, May 19, 1967). Indeed, even Nobel Laureate Murray Gell-Mann, of Caltech, who hypothesized quarks in 1962, had doubts that their existence could ever really be confirmed.

Now, suddenly, the hunt for these tiny particles has taken a dramatic turn. At the American Physical Society's annual...

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