News

  1. 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
  2. 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
  3. 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.

    By Nathan Seppa
  4. Anthropology

    Waves of Grain: New data lift old model of agriculture’s origins

    A new analysis of the locations and ages of ancient farming sites reinforces the controversial idea that the groups that started raising crops in the Middle East gradually grew in number and colonized much of Europe.