Vol. 168 No. #14 Archives

More Stories from the October 1, 2005 issue

  1. Tech

    Getting a charge out of backpacking

    A backpack enhanced with springs, gears, and a generator converts the up-and-down motions of the wearer into enough electricity to power portable electronic gadgets.

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  2. Health & Medicine

    Silenced gene may foretell colon cancer

    A cancer-suppressing gene, which is often shut down in colorectal cancer, is sometimes silenced in healthy colorectal tissues as well.

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  3. Paleontology

    DNA pegs Irish elk’s nearest relatives

    Analyses of DNA of the Irish elk, which died out after the last ice age, may settle a long-running debate about the creature's place on the deer family tree.

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  4. Health & Medicine

    Acne medicines can be a pain in the throat

    Treatment with antibiotics for acne might predispose an individual to getting severe upper respiratory infections.

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  5. Humans

    Anti-TB spending abroad could save money overall

    Investing $44 million in tuberculosis-control programs in Mexico, Haiti, and the Dominican Republic might save the United States nearly triple that amount over the next 20 years.

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  6. Earth

    Save the frogs

    Researchers have drafted a proposed $400 million research-and-rescue plan for the world's amphibians, at least half of which are in decline or even facing serious risk of extinction.

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  7. Tech

    Light sensor may improve battlefield tools

    A new microscale ultraviolet-light sensor could help shrink the size of some military field systems used for detecting biowarfare agents and clandestine communications to the dimensions of a cell phone.

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  8. Planetary Science

    Sun grazers: A thousand comets and counting

    An amateur astronomer analyzing images from the Solar and Heliospheric Observatory has found the 999th and 1,000th comets detected by the craft.

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  9. Health & Medicine

    Falling Influence: Influenza fighters have limited effects

    The most readily available drugs against influenza have abruptly declined in effectiveness in the past decade.

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  10. Animals

    Looks Matter: If swallows aren’t spiffy, mates’ fidelity is iffy

    If a male barn swallow's plumage is more attractive than that of other males, his mate is less likely to have furtive flings with other wooers.

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  11. Chemistry

    Into the Void: Porous crystals could do more chemistry

    Chemists have devised a new approach that creates crystalline material with some of the largest pores yet.

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  12. Health & Medicine

    Better Beta: Cells grown in lab may treat diabetes

    Scientists have developed a technique to mass-produce a type of pancreas cell needed for transplants into people with type 1 diabetes.

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  13. Health & Medicine

    Give It Up: Cutting back helps, but even a cigarette or two a day carries risks

    Reducing tobacco use curbs the risk of lung cancer, but smoking even a few cigarettes a day puts a person at three to five times the risk faced by a nonsmoker.

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  14. Astronomy

    Cosmic Ray Font: Supernova remnants rev up ions

    High-resolution X-ray images of the Tycho supernova remnant offer new evidence that supernova shock waves generate most cosmic rays that bombard Earth.

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  15. Milky seas clarified

    With the help of satellites, scientists have obtained the first-ever photos of an expanse of seawater filled with bioluminescent bacteria.

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  16. Concentrated Guidance: Attention training gives kids a cognitive push

    A brief course on how to pay attention boosts children's scores on either intelligence or attention tests, depending on their age.

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  17. Living History

    Bacteria and fungi living on artworks and artifacts often cause extensive damage.

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  18. Tech

    Growing Expectations

    Biofuels made from waste agricultural plant matter are gaining prominence as new technologies make them increasingly competitive with petroleum fuels.

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  19. Humans

    Letters from the October 1, 2005, issue of Science News

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