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  1. Astronomy

    Galaxy Hunter

    At the interactive “Galaxy Hunter” Web site, students use data from the Hubble Space Telescope to investigate a bewildering assortment of deep-space galaxies in various stages of evolution–and learn statistical concepts such as sample variability and size along the way. Go to: http://amazing-space.stsci.edu/ghunter/

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  2. Materials Science

    A Field of Diminutive Daisies

    Researchers have created tiny daisies as a demonstration of a new technique that creates three-dimensional structures from carbon nanotubes.

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  3. Health & Medicine

    Blood Vessel Poisoning: Arsenic narrows artery that feeds brain

    New research suggests that drinking arsenic-laden water can produce dangerous narrowing in the carotid artery, which channels blood through the neck to the brain.