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  1. 19905

    This article says that American students’ science and math skills have been falling relative to those of their peers in other countries. How true. Recent tests put the United States in 14th place in an international comparison. But at least we are still in the top 10! Tom ReesorConway, S.C.

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  2. Health & Medicine

    Putting tumors on pause

    Keeping benign breast tumors from progressing into a malignant cancer can be achieved in mice by reducing a signaling protein.

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  3. Health & Medicine

    Diabetes drug shows new potential

    Exendin-4 (exenatide) might complement a drug called anti-CD3 monoclonal antibody in reversing type 1 diabetes, a study in mice shows.