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  • 4 Nov 1999

    No one knows how tiny algae called diatoms build glasslike silica laceworks within their cell walls, but researchers are closing in on the secret.

  • 27 Jan 1999

    Physicists have taken a major step toward the creation of the ultimate "light": a laser beam made of gamma rays. In last week's Physical Review Letters, researchers report that bombarding an artificial form of the element hafnium with x-rays causes it to produce gamma rays.

  • 13 Oct 1998

    Two quantum chemists whose work helped make computational studies of molecules an everyday activity for scientists were awarded the Nobel Prize in Chemistry today.