Uncategorized

  1. Earth

    Sex and the sewage

    Chemicals in sewage sludge appear to have stunted the testes and fostered other reproductive-system changes in fetal lambs.

    By Janet Raloff
  2. Health & Medicine

    Monthly cycle changes women’s brains

    Activity in a brain region that regulates emotions fluctuates over the course of a woman's menstrual cycle.

    By Christen Brownlee
  3. Planetary Science

    Cassini snaps icy moon Dione

    Saturn's small moon Dione has a heavily-cratered, fractured surface.

    By Ron Cowen
  4. Humans

    Katrina’s Fallout

    Scientists whose laboratories were devastated by Hurricane Katrina have found help, and sometimes safe havens for their studies, from colleagues around the nation.

    By Janet Raloff
  5. Planetary Science

    Groovy Science

    The Cassini spacecraft is shedding new light on Saturn's icy rings.