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  1. Tech

    Hot Flashes, Cold Cuts

    By obliterating matter in a never-before-seen way, a new breed of lasers cuts everything from eyeballs to diamonds with unprecedented precision.

    By Peter Weiss

  2. Sizing Up the Brain

    Genetic mutations that produce small brains provide insight into the formation and evolution of the human brain.

    By John Travis
  3. Humans

    From the May 24, 1930, issue

    GRASSHOPPERS THREATEN UNITED STATES Grasshoppers threaten to wreak heavy damage to grain and forage crops in Montana and the Dakotas this year. There were many hoppers in these states, and in parts of Texas, last year, and the eggs they laid are now hatching in large numbers. If climatic and other conditions favor the growth […]

    By Science News

  4. Explore Mars

    NASA has made more than 100,000 images of Mars available as a Web-based photo album.