News

  1. Animals

    Glittering male seeks fluorescing female

    A tropical jumping spider needs ultraviolet light for courtship.

    By Susan Milius
  2. Ecosystems

    An unexpected, thriving ecosystem

    A diverse group of creatures beneath an Antarctic ice shelf could give pause to researchers who infer past ecological conditions from fossils found in such sediments.

    By Sid Perkins
  3. Health & Medicine

    Many babies born short of vitamin D

    Even in the womb, babies face a high risk of vitamin D deficiency.

    By Janet Raloff
  4. Earth

    Corn, a new sensor of carbon dioxide

    Scientists have developed a way to use corn plants to monitor and map human-generated emissions of carbon dioxide.