Uncategorized

  1. Astronomy

    Pulsar pas de deux

    Astronomers have for the first time discovered two pulsars orbiting each other, offering the chance for new precision tests of Einstein's theory of general relativity.

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  2. Keeping abreast of serotonin’s roles

    Serotonin, a chemical typically associated with the brain, also controls milk production in mammary glands.

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  3. Tech

    Body Builders

    By growing stem cells on three- dimensional polymer scaffolds, tissue engineers hope to mimic natural tissue development and ultimately produce replacement body parts.

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  4. 19385

    I would guess that a rock measuring 1 kilometer across, landing near New Zealand 500 years ago, would have done much more than create a tsunami 300 to 500 feet high. Was the object 1 km across before encountering Earth’s atmosphere? Don ArthurNorth Coventry, Pa. Yes. The object’s estimated size is before it hit the […]

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  5. Earth

    Killer Waves

    Scientists are using sophisticated computer models, field studies of coastal geology, and data from tidal gauges to assess the tsunami risk for coastal residents.

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  6. Math

    Heads or Tails?

    Research interest in the fairness of coin tosses goes back many years.

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  7. From the February 24, 1934, issue

    A giant panda cub, anti-photon prediction, and meteor effects on short-wave radio reception.

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  8. Microbe Library

    The American Society for Microbiology offers a variety of images and other materials about the microbial world for classroom use. The collection includes images of various microbes, videos and animations, curriculum materials, articles, activities, and more. Go to: http://www.microbelibrary.org/

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  9. Health & Medicine

    Averting Pain: Epilepsy drug limits migraine attacks

    A drug normally used against epilepsy can prevent migraine headaches.

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  10. Paleontology

    Old Colonies: Ancient formations are termites’ legacy

    New analyses of mysterious pillars at two sites in southern Africa suggest that the sandstone features are petrified remains of large, elaborate termite nests.

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  11. 19384

    Perhaps Stefan Koelsch’s study should have been limited to trained musicians, rather than exclude them. Word and visual associations in music are vigorously reinforced in movie soundtracks, cartoons, and elsewhere. But classical composers and musicians typically take pains to isolate their musicianship from any and all nonmusical elements. This inquiry may shine light on the […]

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  12. Song Sung Blue: In brain, music and language overlap

    Different classical-music passages facilitate thinking about specific verbal categories, triggering brain responses previously seen only when people recognized related linguistic meanings.

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