Vol. 169 No. #7
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More Stories from the February 18, 2006 issue

  1. Earth

    Global warming may already be a killer

    Earth's rising temperatures may be a precipitating factor in the extinctions of dozens of tropical frog species.

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  2. Soil microbes are reservoir for antibiotic resistance

    Bacteria that live in dirt are surprisingly resistant to antibiotics, even those they presumably have never before encountered.

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  3. Humans

    SUVs no safer for kids than passenger cars

    Children in sport utility vehicles are just as likely as children in passenger cars to be injured in an accident, despite the SUVs' greater weight.

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  4. Health & Medicine

    Of taters and tots

    For each serving of french fries that a preschool girl typically consumed per week, her adult risk of developing breast cancer climbed.

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  5. Earth

    How to rate a snowstorm

    Scientists have developed a rating scale to assess the impact of major snowstorms that strike the northeastern United States.

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  6. Planetary Science

    Stellar passage yields Charon’s girth

    By observing Pluto's moon Charon passing in front of a star, astronomers have obtained precise measurements of the moon's radius and density.

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  7. Earth

    Krakatoa stifled sea level rise for decades

    Ocean cooling caused by the volcanic eruption of Krakatoa in 1883 kept sea level worldwide in check well into the 20th century.

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  8. Health & Medicine

    Alzheimer’s drug shows staying power

    The drug memantine slowed mental decline in people with moderate-to-advanced Alzheimer's disease in a 12-month trial, the longest test of the drug to date.

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  9. In Sickness and in Death: Spouses’ ills imperil partners’ survival

    Among elderly people, a spouse's hospitalization for certain ailments substantially raises his or her partner's likelihood of dying.

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  10. Astronomy

    Radio Daze: Staccato pulses suggest a new stellar class

    Astronomers have discovered what may be a new class of star that emits bursts of radio waves for 2 to 30 milliseconds before falling silent for minutes to hours.

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  11. Health & Medicine

    Not So Sweet: Cancers in rats that consumed aspartame

    A large, new study in rats suggests that the artificial sweetener aspartame may be a carcinogen, but critics question the finding's validity.

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  12. Animals

    Killer Flatworm: New species hunts with puffer fish toxin

    A newly described marine flatworm from Guam hunts with the same toxin that a puffer fish uses. With video.

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  13. Model for Madness: Engineered mice have schizophrenia-like symptoms

    Scientists have genetically altered mice so that they mimic the deficits in short-term memory and attention of schizophrenic patients.

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  14. Health & Medicine

    Looking Ahead: Tests might predict Alzheimer’s risk

    Two tests show promise in detecting Alzheimer's disease or other cognitive impairment years before symptoms arise.

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  15. Tech

    New View: Speedy microscope takes fuller look at the nanoworld

    Action movies of molecules and a better feel for microscopic surfaces could flow from a radically revised version of the atomic-force microscope.

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  16. Health & Medicine

    Flora Horror

    A diarrhea-causing bacterium has developed new resistance to a widely used class of antibiotics and has recently become more transmissible and more deadly.

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  17. Tech

    Artificial Animalcules

    Advances that include the first swimming micromachine and novel designs for similar devices are deepening scientists' understanding of the bizarre world of microscale liquids.

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  18. Humans

    Letters from the February 18, 2006, issue of Science News

    Pain, pain, go away I’m pleased that images are now available to prove that self-control over pain works (“Brain Training Puts Big Hurt on Intense Pain: Volunteers learn to translate imaging data into neural-control tool,” SN: 12/17/05, p. 390). Actually, I and many other moms could have helped the researchers. During childbirth, we simply focused […]

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