News

  1. Ecosystems

    Feminized cod on the high seas

    Male cod in the open ocean are producing an egg-yolk protein ordinarily made only by females, signaling their potential exposure to estrogen-mimicking pollutants.

    By Janet Raloff
  2. Earth

    Elevated pesticide threatens amphibians

    The survival of certain mountain-dwelling amphibians may be threatened by toxic pesticides that are blown uphill from distant agricultural lands in California's Central Valley.

    By Janet Raloff
  3. Animals

    Face Time: Bees can tell apart human portraits

    Honeybees will learn to zoom up to particular human faces in a version of a facial-recognition test used for people.

    By Susan Milius
  4. Health & Medicine

    Rare but Fatal Outcome: Four deaths may trace to abortion pill

    In the past 5 years, four healthy women taking the abortion pill mifepristone have died of toxic shock syndrome.