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  1. Health & Medicine

    Disease Detector: Chemical test may spot Alzheimer’s

    A new test that detects very low levels of protein clumps associated with Alzheimer's may provide an early warning for the disease.

    By David Shiga
  2. Humans

    Letters from the February 5, 2005, issue of Science News

    Not measuring up I love Science News. Now and then, however, you write in terms that aren’t understandable to the average reader. I refer in particular to “Snow Blow: Image of Mount Everest from orbit captures enormous plume” (SN: 12/4/04, p. 358). It states that “weather models suggest winds atop the peak exceeded 50 meters […]

    By Science News
  3. Tech

    Detecting life on Mars

    A new device could look for life on Mars by analyzing the geometric traits of amino acids in soil.