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  1. Humans

    Letters from the October 29, 2005, issue of Science News

    Food for thought I note that pleasure activates the neurobiological response that fuels addictive behavior (“Food Fix: Neurobiology highlights similarities between obesity and drug addiction,” SN: 9/3/05, p. 155). It has long been a tenet of the 12-step programs that there is no pleasure greater than to use one’s talents to help others similarly afflicted. […]

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  2. Health & Medicine

    Single drug dose may be better against cholera

    A single dose of the antibiotic ciprofloxacin cures cholera in children as often as a 12-dose regimen of erythromycin does.

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  3. Planetary Science

    Shoreline for Titan?

    New radar images of Saturn's smog-shrouded moon Titan show evidence of a shoreline cutting across the moon's southern hemisphere.

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  4. Planetary Science

    ’10th planet’ has a partner

    The so-called 10th planet, an object larger than Pluto that ranks as the most distant body known in the solar system, has a moon.

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  5. Physics

    Nanobots walk ‘n’ roll

    A molecule that waddles on stubby feet and another that drives on ball-like wheels demonstrate scientists' increasing control over the usually haphazard motion of molecules on surfaces.

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  6. Paleontology

    Some plesiosaurs went for clams

    The fossils of plesiosaurs recently unearthed in Australia suggest that the long-necked, aquatic reptiles had a more varied diet than scientists had previously suspected.

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  7. Materials Science

    Brainy bandages

    Researchers have taken a step toward smart bandages that would indicate the presence of an infection in a wound.

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  8. 19606

    In the article, cleanup of radioactive particles that have seeped into porous building materials such as brick and marble appears to be difficult and expensive, even given the described breakthroughs. Perhaps a more proactive measure would be to require these materials to be impregnated with a stable polymer or similar compound that precludes the “soaking […]

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  9. Tech

    Ghost Town Busters

    Facing the threat of a radioactive mess from a dirty bomb, government and industry labs are creating novel cleaning agents and fixatives to aid rescue operations and speed restoration of contaminated zones.

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  10. Chemistry

    Making a Little Progress

    Scientists are using nanotechnology to develop new strategies for diagnosing and treating cancer.

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  11. Math

    Sliding Around

    Seemingly simple sliding-coin puzzles can be surpassingly tough.

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  12. Humans

    From the October 19, 1935, issue

    Boulder Dam lake and a new test for lead poisoning.

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