Vol. 165 No. #18 Archives

More Stories from the May 1, 2004 issue

  1. Planetary Science

    Rovers in overtime

    NASA has extended the missions of the twin Mars rovers by 5 months, through September 2004.

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  2. Health & Medicine

    CT scan no match for colonoscopy

    Colonoscopy is better at detecting potentially dangerous colon polyps than computed tomography scanning is.

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  3. Earth

    Hurricanes churn up life-nurturing brews

    Images of the North Atlantic taken from orbit suggest that hurricanes churn the ocean's surface enough to bring cool, nutrient-rich waters to the surface, thereby stimulating algal blooms that can last for weeks.

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  4. Health & Medicine

    Experimental drug boosts HDL counts

    An experimental drug can dramatically increase blood concentrations of high-density lipoprotein, the beneficial cholesterol.

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  5. Body’s sweet move can protect heart

    Animal studies suggest that the body attempts to protect itself from heart attacks during brief periods of oxygen deprivation by temporarily modifying heart-muscle proteins.

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  6. Health & Medicine

    Proteins mark ALS

    Scientists reported finding what appears to be the first diagnostic test for Lou Gehrig's disease, potentially shaving a year off of when targeted treatment for the disease can begin.

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  7. SIDS trigger? It’s too darn hot

    Overheating, as might occur if a baby were swaddled in a warm room, might predispose some babies to prolonged breathing lapses and sudden infant death syndrome, animal experiments indicate.

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  8. Health & Medicine

    Exercise boosts sugar’s taste

    Studies in runners and in animals indicate that exercise increases an individual's sensitivity to sweetness.

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  9. Tech

    Injectable Medibots: Programmable DNA could diagnose and treat cancer

    Researchers have created a miniature DNA computer that can detect cancer genes in a test tube and respond by releasing a drug.

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  10. Animals

    Din among the Orcas: Are whale watchers making too much noise?

    Whale-watching boats may be making so much noise that killer whales off the coast of Washington have to change their calls to communicate over the racket.

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  11. Archaeology

    Stone Age Combustion: Fire use proposed at ancient Israeli site

    A Stone Age site in Israel contains the oldest evidence of controlled fire use in Asia or Europe, from around 750,000 years ago, a research team reports.

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  12. Earth

    Harm from Plastic Additive Challenged: Early exposure shows no ill effects

    Presumed exposure shortly after birth to a chemical ingredient in plastics shows no evidence of disrupting development in people, according to a small study of teens who, as newborns, received intensive medical care involving plastic hospital equipment.

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  13. Health & Medicine

    Unsettling Association: Dental X rays linked to low-birth-weight babies

    Getting dental X rays while pregnant might increase a woman's risk of giving birth to a low-birth-weight baby.

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  14. Humans

    Mouse Mourned: Yoda dies at age 4

    An age-defying laboratory mouse known as Yoda died peacefully in his cage in Ann Arbor, Mich., on April 22, at the age of 4 years and 12 days.

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  15. Earth

    It’s a Gas: Trees emit unknown volatile substances

    The chemical reactions taking place just above a northern Michigan forest hint that trees there and elsewhere may be emitting highly reactive gaseous substances that scientists haven't yet identified or directly detected.

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  16. Physics

    The Electron’s Other Charge: Workhorse of electricity shows its weak side

    Although electrons are nonnuclear particles, they exert a feeble nuclear force on each other when they snuggle up close, a new experiment shows.

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  17. Chemistry

    Space Invaders

    Recent astronomical observations and sophisticated lab experiments portray space as a breeding ground for complex organic molecules, the likes of which may have jump-started life on Earth.

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  18. Health & Medicine

    Coffee, Spices, Wine

    Several dietary agents, including coffee, wine, and cinnamon, appear to restore some of the body's responsiveness to insulin, potentially slowing diabetes' onset or ravages.

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  19. Humans

    Letters from the May 1, 2004, issue of Science News

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