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Quantum Computing with Ions [Re-Post]

Researchers are taking the first steps toward building ultrapowerful computers that use individual atoms to perform calculations

By Christopher R. Monroe and David J. Wineland

Facing the Freshwater Crisis

As demand for freshwater soars, planetary supplies are becoming unpredictable. Existing technologies could avert a global water crisis, but they must be implemented soon

By Peter Rogers

Why Migraines Strike

Biologists finally are unraveling the medical mysteries of migraine, from aura to pain

By David W. Dodick and J. Jay Gargus

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