News

  1. Ecosystems

    A Chronicle of Coasts: Study charts historical changes in seas, estuaries

    New research compares the long-term ecological impact of human activities in estuaries and coastal seas on three continents.

    By Ben Harder
  2. Animals

    Fishy Reputations: Undersea watchers choose helpers that do good jobs

    Coral reef fish use smart-shopper techniques of looking for satisfied customers before choosing a small fish to provide cleaning services.

    By Susan Milius
  3. Health & Medicine

    Proof of Protection: Condoms limit infection by cervical cancer virus

    Condom use reduces a woman's risk of being infected with human papillomavirus and of developing precancerous growths on the cervix.

    By Nathan Seppa
  4. Astronomy

    Magnetic Thrust: Fields force matter into black holes

    New observations confirm that magnetic fields provide matter with the last push to plunge into a black hole.