Humans

  1. Health & Medicine

    Toxin Trumped: New malaria vaccine protects mice

    An experimental vaccine neutralizes a toxic molecule made by malaria-causing parasites.

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  2. Health & Medicine

    Fruit: Towards Virtual Taste Tests

    When it comes to fresh fruit, looks can be deceiving. The prettiest apples may be tasteless or their texture mealy. Intact, ruby-hued skin may hide a large, mushy bruise. As a result, each purchase becomes somewhat of a gamble. Federal engineers with the Agricultural Research Service hope to up a buyer’s odds with a system […]

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  3. Humans

    From the August 13, 1932, issue

    ONLY HALF OF LIGHTNING FLASH IS SEEN BY OBSERVERS Not many years ago, a thunderstorm often meant that the supply of electricity would be interrupted. But now, lightning does not cause power line failures nearly as frequently as it used to; it has been tamed by engineers. Laboratory artificial power lines that duplicate actual conditions […]

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  4. Health & Medicine

    One more reason to worry

    A single dose of the AIDS drug nevirapine, given to mothers to help prevent them from infecting their children during birth, may be enough to prod the virus to develop drug resistance.

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  5. Health & Medicine

    HIV may date back to the 1930s

    Genetic analysis of the AIDS virus suggests it first infected humans in the first third of the 20th century.

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  6. Health & Medicine

    AIDS drugs may cause bone loss

    Using X rays to measure bone density in HIV-infected men, researchers find a possible link between bone loss and long-term use of protease inhibitors.

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  7. Humans

    R&D budget should ease biomed envy

    President Clinton's science budget for 2001 proposes to narrow a gap that's yawned in recent years between lusher funding for biomedicine and leaner support for the physical sciences.

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  8. Health & Medicine

    Researchers Probe Cell-Phone Effects

    Scientists are trying to find out whether biological changes associated with cell-phone use represent health risks.

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  9. Health & Medicine

    Worm genes take on bacterial foes

    Creatures as simple as worms have an effective immune defense.

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  10. Archaeology

    Ancient birth brick emerges in Egypt

    Investigations at a 3,700-year-old Egyptian town have yielded a painted brick that was used in childbirth rituals.

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  11. Health & Medicine

    No worry that this secret will leak

    The recently discovered protein angiopoietin-1 appears to protect blood vessels from leaking, a finding with implications for research into diseases that involve swelling, such as arthritis and asthma.

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  12. Health & Medicine

    Lung cancer gene has gender bias

    The X chromosome's gastrin-releasing peptide receptor gene is turned on by nicotine to produce a protein that promotes lung cancer, a combination of factors that could explain why women are more susceptible to the disease than men are.

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