Humans

  1. Health & Medicine

    Pancreatic enzymes may play role in shock

    Pancreatic enzymes used for digestion may cause shock when they leach out of the small intestine and form a substance that activates white blood cells.

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  2. Humans

    From the February 15, 1930, issue

    ACRES OF PENGUINS IN ANTARCTICA Penguins by the acre are among the profusion of water animals inhabiting the regions adjacent to the desolate lands of Antarctica that help make its exploration of value, Dr. Isaiah Bowman, director of the American Geographical Society, told the American Philosophical Society. Dr. Bowman spoke in the 141-year-old hall of […]

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  3. Health & Medicine

    Budding Tastes: Higher blood pressure in newborns links to salt preference

    Babies who tolerate a salty flavor have higher blood pressure on average than their less tolerant counterparts do.

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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. Health & Medicine

    Worm genes take on bacterial foes

    Creatures as simple as worms have an effective immune defense.

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