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  1. Old viruses have new tricks

    Invading viruses can trick a cell into turning off its defense mechanisms.

    By Patrick Barry

  2. Antidepressants trim suicide tries

    Treating depression with antidepressant drugs reduces the risk of suicide.

    By Bruce Bower

  3. 19861

    I was surprised to find no mention in this article of the possibility that the decline in suicide attempts might be owed merely to the hope generated by beginning a treatment, rather than the treatment itself. I have known depression sufferers to be nearly euphoric after starting a new treatment. Karen AikenSan Francisco, Calif.

    By Science News
  4. Computing

    Virtual Surgery

    Computer simulations of blood flow in the heart allow doctors to test surgical innovations before trying them on patients.