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  1. Traumas trip up inner-city girls

    Inner-city teenage girls may often experience a severe stress reaction that makes it more difficult for them to succeed in school.

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  2. Astronomy

    A new receiver for alien broadcasts

    A $12.5 million grant will help build the world's largest telescope designed to search for radio broadcasts from alien civilizations.

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  3. Astronomy

    Taking a census of brown dwarfs

    Researchers have completed the most thorough census to date of brown dwarfs in stellar clusters and have confirmed earlier findings about these failed stars.

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  4. Down the Tubes: Amino acid proves key to plant reproduction

    An amino acid that human brain cells communicate with also has a role in plant sex.