Vol. 159 No. #18

More Stories from the May 5, 2001 issue

  1. Music, language may meet in the brain

    Brain areas considered crucial for understanding language may also play an important role in music perception.

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  2. School kids cite widespread bullying

    A substantial proportion of children in grades 6 through 10 report bullying other children or being bullied themselves.

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  3. Tech

    Stuff gets stiffed by unstiff inserts

    In an odd twist, material that is so extremely yielding that it is said to have negative stiffness will make already stiff materials even stiffer when it's blended into them.

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  4. Tech

    Electromagnetism acts oddly in device

    Without breaking any physical laws, a novel, fiberglass-copper structure affects microwaves so strangely that a beam of radiation passing through it bends at an angle opposite from what it get bent at an angle opposite from what it would have exiting any other known material.

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  5. Materials Science

    Novel nanotubes are now made-to-order

    Researchers have made nanotubes with specific sizes and traits by designing molecules that self-assemble.

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  6. Chemistry

    Rocks May Have Given a Hand to Life

    In a new twist to the puzzle of how life developed from only left-handed amino acids, researchers have found that the common mineral calcite can segregate the molecules into their left-handed and right-handed varieties.

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  7. Materials Science

    Inorganic tubes get smaller than ever

    Researchers have created the smallest stable, freestanding inorganic nanotubes yet.

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  8. Health & Medicine

    Epileptic seizures may be predictable

    Patterns of mild electrical disturbance in the brains of epilepsy patients appear to foreshadow a seizure hours before its onset.

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  9. Physics

    New probe reveals unfamiliar inner proton

    Researchers taking one of the closest looks yet into the intact proton have found an unexpectedly complex interior electromagnetic environment.

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  10. Earth

    Even low lead in kids has a high IQ cost

    Lead can damage a young child's ability to learn and reason at exposures far lower than the limit deemed acceptable by the U.S. government.

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  11. Astronomy

    Have scientists seen planets in the making?

    Astronomers may finally have glimpsed a key step in the construction of a planet.

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  12. For some birds, Mr. Wrong can be alright

    What looks like the ultimate bad choice in romance—a mate from a different species—in some conditions may not be so dumb after all.

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  13. Dolphins may seek selves in mirror images

    Dolphins apparently recognize their own reflections.

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  14. Health & Medicine

    Peptide puts mouse arthritis out of joint

    A compound called vasointestinal peptide, which binds to immune system T cells and macrophages, thwarts arthritis in mice.

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  15. Health & Medicine

    Long-term ecstasy use impairs memory

    Extended use of the illicit drug called MDMA or ecstasy exacerbated memory problems in users aged 17 to 31, none of whom reported alcohol dependence.

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  16. Health & Medicine

    Tamoxifen dilates arteries in men

    The breast cancer drug tamoxifen can widen a narrowed coronary artery in men with heart problems.

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  17. Paleontology

    The Latest Pisces of an Evolutionary Puzzle

    The recent discovery of coelacanths off the northeastern coast of South Africa was the first sighting of the rare fish in that country since the first living coelacanth, a type of fish thought to have been extinct for millions of years, was caught there in late 1938.

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  18. Tech

    Getting Nanowired

    Makers of nanowires may overcome the limits that loom for microchip fabrication.

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