News

  1. Health & Medicine

    Prevention in a Pill? Baldness drug might avert prostate cancer

    The drug finasteride, given to alleviate baldness and prostate problems, might prevent some cases of prostate cancer.

    By Nathan Seppa
  2. Earth

    Germs Begone: New technology cleans dangerous water

    For a penny per liter, people in the developing world should be able to remove most pathogens and toxic pollutants from their home drinking water.

    By Janet Raloff
  3. Animals

    African cicadas warm up before singing

    The first tests of temperature control in African cicadas have found species with a strategy that hogs energy but reduces the risk of predators.

    By Susan Milius
  4. Earth

    Lead delays puberty

    Even low concentrations of lead in a girl's body may delay her reproductive maturation.