Vol. 158 No. #14 Archives

More Stories from the September 30, 2000 issue

  1. Health & Medicine

    Gene Tied to Heightened Diabetes Risk

    People with three particular variations within the gene that encodes the protein calpain-10 face triple the risk of getting type II diabetes.

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  2. Earth

    Model offers grounds for midwestern quakes

    A new computer model may help explain how earthquakes can happen at fault zones located far from the edges of a tectonic plate.

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  3. Memory echoes in brain’s sensory terrain

    The process of remembering an event reactivates brain regions that were involved in initially seeing or hearing the event.

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  4. Health & Medicine

    Insulin inaction may hurt even nondiabetics

    Flawed insulin activity may lead to blood changes that foster atherosclerosis, even in people who don't have diabetes.

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  5. Astronomy

    Craft finds where sun’s corona gets its hots

    New findings may help explain an enduring solar riddle: Although the sun's outer atmosphere lies thousands of kilometers above the visible surface of the sun, it's about 1,000 times hotter.

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  6. Plants

    Glitch splits hermaphrodite flowers

    In a newly proposed scenario, polyploidy may trigger perfectly good hermaphrodite plants to evolve gender forms.

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  7. Physics

    One-molecule chemistry gets big reaction

    Carrying out a widely used chemical reaction on one molecule at a time, researchers demonstrate unprecedented control of molecular behavior and, possibly, the ability to make novel nanotechnology devices and compounds that can't be created with ordinary chemistry.

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  8. Computing

    Virtual stampede sees faces in crowd

    A new computer model based on particle interactions suggests ways to prevent a panicked crowd from stampeding.

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  9. Physics

    Electron breakup? Physics shake-up

    A controversial theoretical proposal that challenges more than a century of theory and experiments suggests that loose electrons in liquid helium may break into pieces, dubbed electrinos.

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  10. Abused kids lose emotional bearings

    Physical abuse and neglect appear to undermine preschoolers' emotional development in different ways.

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  11. Brains generate a body of feeling

    Happiness, sadness, and other basic emotions activate unique networks of brain areas that track the body's internal status.

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  12. Chemistry

    New solution for kitchen germs

    Acidic electrolyzed water appears to kill foodborne germs more effectively than a bath of dilute bleach.

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  13. Chemistry

    Toxic runoff from plastic mulch

    Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life.

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  14. Chemistry

    Germ-killing plastic wrap

    Scientists have developed biodegradable plastics that release natural germ-killing agents onto the foods wrapped inside.

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  15. Earth

    The Making of a Grand Canyon

    Carving this beloved hole in the ground may not have been such a long-term project.

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  16. Health & Medicine

    Male Choice

    The search for new contraceptives for men.

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