Vol. 168 No. #9 Archives

More Stories from the August 27, 2005 issue

  1. Health & Medicine

    Stroke site is often not right

    Thousands of strokes in the right half of the brain may go unrecognized because their symptoms are less distinctive than those of left-side strokes.

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  2. Planetary Science

    Enceladus: Small but feisty

    Close-up observations of Saturn's tiny moon Enceladus reveal that its south pole is hotter than its equator and that the icy satellite continues to undergo eruptions.

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  3. Earth

    Spores record changes in ozone concentration

    Decreasing concentrations of atmospheric ozone over Antarctica have triggered changes in the spores of a plant that grows in the region, a trend that could give scientists insight into ancient extinctions.

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  4. Planetary Science

    Radar for rovers on future Mars trips?

    Scientists are developing ground-penetrating radar equipment that could serve as geologists' helpers on future Mars-roving vehicles.

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  5. Animals

    Coati version of spoiled brats

    A biologist reports that ring-tailed coatis in Argentina have a kind of dominance structure never before documented in animals, with adolescents as a group outranking their moms and older half-sibs.

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  6. Animals

    Faithful voles have hidden infidelities

    Prairie voles, used for studying the biological basis of monogamy, do form social bonds but they also have more out-of-pair sexual encounters than most biologists had expected.

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  7. Animals

    When a chipmunk teases a rattlesnake

    Several of the Northeast's least ferocious forest creatures taunt rattlesnakes.

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  8. Animals

    Hey, kids, it’s time for drool

    A researcher has for the first time decoded a vibrational signal used by paper wasps.

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  9. Turning Back Time: Embryonic stem cell rejuvenates skin cell

    By fusing an embryonic stem cell with an adult skin cell, researchers have created cells that retain valuable embryonic characteristics but carry the adult cell's genes.

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  10. Physics

    Warm Ice: Frozen water forms at room temperature

    Ultrathin films of ice observed at room temperature and ordinary atmospheric pressure should be more widespread than previously thought, according to new experiments indicating that weaker-than-expected electric fields induce such freezing.

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  11. Astronomy

    First Supper: X rays may mark eating habits of baby black holes

    Astronomers have evidence that just minutes after their tumultuous birth, baby black holes emit powerful burps of X rays that may be fueled by material left over from their first meal.

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  12. Anthropology

    A Seasoned Ancient State: Chinese site adds salt to civilization’s rise

    Analyses of remains from an ancient Chinese site situated along a river indicate that salt making occurred there as long as 4,000 years ago.

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  13. Health & Medicine

    Dark Side of a Blood Builder: Hormone linked to diabetic blindness

    Erythropoietin, a hormone that orchestrates growth processes, may contribute to eye damage in people with diabetic retinopathy.

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  14. Earth

    Seafloor features steered tsunamis

    Tsunamis circled the globe after a magnitude 9.3 earthquake struck the Indian Ocean last Dec. 26, but the waves didn't spread evenly.

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  15. Chemistry

    Presto, Change-o: New solutions could clean up chemistry

    Scientists have developed a simple technique to switch an oil-like solvent into a waterlike one.

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  16. Animals

    What’s That Knocking? Sound evidence offered for long-lost woodpecker

    Cornell's Laboratory of Ornithology has released recordings from the woods of eastern Arkansas that researchers say could be the distinctive drumming and calls of the ivory-billed woodpecker.

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  17. Earth

    Earthshaking Event

    Seismic instruments have provided a wealth of information about the earthquake that rocked Sumatra on Dec. 26, 2004.

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  18. Health & Medicine

    Targeted Attack

    Scientists are piecing together the details of how mutations in a protein called EGFR can lead to cancer, and they are designing a new class of drugs to stop the protein's destructive behavior.

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  19. Letters from the August 27, 2005, issue of Science News

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