News

  1. Life

    Climate change shrinks sheep

    Milder winters help small, weak lambs survive but more competition for food slows growth.

    By Susan Milius
  2. Earth

    New cyclone predictor

    Researchers link occasional sea-surface warming in central Pacific with more, stronger hurricanes in North Atlantic.

    By Sid Perkins
  3. Life

    New drug hits leukemia early

    An experimental drug may stop a deadly leukemia in its early stages, a study of mice shows.

    By Nathan Seppa
  4. Chemistry

    Concerns over bisphenol A continue to grow

    Recent research finds that the hormone mimic may be more prevalent and more harmful than previously thought, highlighting why BPA is a growing worry for policy makers.