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  1. Math

    Unveiling the work of Archimedes

    An ancient manuscript long hidden from public view may provide significant insights into the way Archimedes did his mathematical work more than 2,000 years ago.

    By Ivars Peterson
  2. Math

    Trailing after double bubbles

    A proof of the double-bubble conjecture for the case in which the two bubbles' volumes are unequal appears within reach.

    By Ivars Peterson
  3. Health & Medicine

    Impotence high after prostate removal

    Roughly 60 percent of men who have a cancerous prostate gland removed are subsequently impotent.

    By Nathan Seppa
  4. Health & Medicine

    Firm nears completion of human genome

    Celera Genomics announced that it has sequenced 90 percent of the human genome and claimed it has found about 97 percent of all human genes.