Uncategorized

  1. Health & Medicine

    Soy compound revs up cancer fighter in healthy tissue

    A lab study of healthy breast tissue cells shows increases in the tumor suppressor protein PTEN in the presence of soy isoflavone genistein, a compound believed to fight breast cancer.

    By Nathan Seppa
  2. Health & Medicine

    Breast density signals tamoxifen’s effectiveness

    Decreasing breast density signals the drug tamoxifen is working in women at risk of developing breast cancer.

    By Nathan Seppa
  3. Life

    Hawaii’s honeyeater birds tricked taxonomists

    DNA from old museum specimens reveals evolutionary look-alikes.

    By Susan Milius
  4. Math

    The happiness virus

    Two studies apply social networking ideas to data from health studies of thousands of people, and suggest different interpretations of how contagious happiness or other experiences can be.