Vol. 168 No. #18 Archives

More Stories from the October 29, 2005 issue

  1. 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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  2. 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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  3. 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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  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. 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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  6. 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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  7. Health & Medicine

    Defense Mechanism: Circumcision averts some HIV infections

    Men who get circumcised reduce their risk of acquiring the AIDS virus by more than half.

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  8. Paleontology

    Caribbean Extinctions: Climate change probably wasn’t the culprit

    Remains of extinct sloths unearthed in Cuba and Haiti indicate that the creatures persisted in Caribbean enclaves until about 4,200 years ago, a finding that almost absolves climate change following the last ice age as a cause for the die-offs.

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  9. Earth

    Breaking Waves: Mangroves shielded parts of coast from tsunami

    Along a strip of India's southeastern coastline, trees protected certain villages from last December's tsunami, while waves wiped out neighboring settlements that weren't sheltered by vegetation.

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  10. Tech

    Muck Tech: Natural enzyme displaces precious metal in fuel cell

    A prototype fuel cell uses an enzyme from a soil microbe to generate electricity from hydrogen rather than from rare and expensive metal catalysts such as platinum.

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  11. SNPs Ahoy! Scientists complete map of genetic differences

    A new map that delineates small genetic differences among people may be a powerful tool for figuring out why some individuals get certain diseases and how to customize their treatments.

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  12. Left Out by a Stroke: Right-brain injury may upset attention balance

    People who suddenly ignore everything to their left after suffering a right-brain stroke display disturbed activity in uninjured parts of a widespread neural network associated with attention.

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  13. Read My Gestures: Body language can trump facial expressions

    Body language can influence the perception of emotion on a person's face.

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  14. Chemistry

    Making a Little Progress

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

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  15. 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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  16. Humans

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

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