News

  1. Life

    Frog builds toes, then legs

    A small frog appears to jump-start its skeletal development, turning on genes for building feet and toes before bothering to build its legs.

    By Rachel Ehrenberg
  2. Paleontology

    Fossils, now available in color

    Fossilized feathers of an early bird or dinosaur may retain evidence of pigment, offering a chance to animal colors of the Cretaceous.

    By Davide Castelvecchi
  3. Health & Medicine

    Location matters

    Scientists find the role of dopamine varies from one end of a brain region to another.

    By Amy Maxmen
  4. Health & Medicine

    Risk profile for diabetes

    People who harbor excess amounts of the compound fetuin-A face a heightened risk of developing diabetes.