March 17, 2001 | Science News

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  • News

    Some swell materials give up their secret

    The discovery of a previously overlooked crystal structure in the best so-called piezoelectric materials may explain their remarkable amount of swelling when zapped by an electric field.
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    Narcoleptic dogs still have their day

    Evidence from studies with dachshunds and poodles is suggesting that these small breeds may serve as better models than larger dogs, such as Labrador retrievers, for the more genetically complex narcolepsy in people.
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    Chemical SOS not just for farm, lab plants

    The chemical screams for help that scientists have detected from agricultural plants under attack by pests in lab settings have now been heard in the wild.
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    Satellites verify greenhouse-gas effects

    Comparisons of data obtained from instruments that orbited Earth more than 25 years apart provide direct evidence that the planet's greenhouse effect increased significantly between 1970 and 1997.
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    Repression tries for experimental comeback

    A laboratory experiment finds that people have difficulty remembering words that they have intentionally tried to forget, providing support for Sigmund Freud's controversial concept of repression.
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    Arsenic Pollution Disrupts Hormones

    Researchers have found that arsenic thwarts the action of glucocorticoid hormones, suggesting a possible explanation of how long-term exposure to the metal in drinking water could cause cancer, diabetes, and other chronic diseases.
    16 years ago