Vol. 166 No. #10 Archives

More Stories from the September 4, 2004 issue

  1. Tech

    Sound power for deep-space travel beyond sun’s reach

    An unusually efficient new type of power unit for spacecraft uses sound to convert heat to electricity.

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  2. Health & Medicine

    Vitamin E may curb colds in old folks

    Vitamin E seems to help elderly people fend off colds.

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  3. Tech

    Helping circuits get enough oxygen

    The search for new insulators needed for making ever-smaller circuits may get a boost from a new electron microscopy technique sensitive to a single oxygen atom missing from a crystal layer.

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  4. Health & Medicine

    Mexican Americans face stroke risk

    Middle-aged Mexican Americans face twice the stroke risk that non-Hispanic whites do.

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  5. Babies’ sound path to language skills

    A test of early speech perception shows promise as a way to identify 6-month-olds headed for language difficulties as toddlers.

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  6. Health & Medicine

    Pathogenic partners prompt pneumonia

    A study of infants has shown that bacterial and viral pathogens may act together in causing pneumonia, a finding that could affect treatment options.

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  7. A call to arms aids recovery of sight

    A man was able to recover some of the sight he lost as a result of brain damage simply by reaching out toward objects near his body, researchers say.

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  8. Animals

    Mom bears more sons when she gets extra bouquets

    When researchers spiff up a male starling's courtship by delivering some extra bouquets to his mate on his behalf, the couple tends to produce more sons than usual.

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  9. Astronomy

    Rocky Road: Planet hunting gets closer to Earth

    Astronomers have discovered the three lightest planets known outside the solar system, moving researchers closer to the goal of finding extrasolar planets that resemble Earth.

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  10. Tech

    Electrifying Toxic Cleanup: Electrodes could stimulate removal of radioactive waste

    Researchers have devised a bioremediation system that electrically stimulates bacteria to break down toxic chemicals in the environment.

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  11. Health & Medicine

    Alzheimer’s Advance: Omega-3 fatty acid benefits mice

    A diet that includes a key omega-3 fatty acid found in fish prevents some memory loss in mice that develop a disease resembling Alzheimer's.

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  12. Cultured Readers: Chinese kids show new neural side of dyslexia

    Brain disturbances that underlie the inability to read a non-alphabetic script, such as Chinese, differ from those already implicated in the impaired reading of alphabetic systems, such as English.

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  13. Cancer Flip-Flop: Gene acts in both proliferation and control of growth

    Scientists have identified what might be a new class of cancer-controlling genes that alternates between halting and promoting cancer.

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  14. Health & Medicine

    Scanning Risk: Whole-body CT exams may increase cancer

    Adults who routinely get whole-body CT scans without medical cause are exposing themselves to doses of radiation that may increase their risk of dying from cancer.

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  15. Tech

    Tiny Timepiece: Atomic clock could fit almost anywhere

    Physicists have shrunk the high-tech heart of an atomic clock to the size of a rice grain.

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  16. Earth

    Paved Paradise?

    The precipitation-fed runoff that spills from impervious surfaces such as buildings, roads, and parking lots in developed areas increases erosion in streams, wreaks ecological havoc there, and contributes to urban heat islands.

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  17. Tech

    Ocean Envy

    By mimicking the flippers of penguins, whales, and dolphins, engineers hope to make ocean vessels that are as maneuverable and efficient as the marine animals.

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  18. Humans

    Letters from the September 4, 2004, issue of Science News

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