News

  1. Climate

    Tranquil ecosystems may explain wild swings in carbon dioxide stashing

    Semiarid ecosystems, such as grasslands and shrublands, are behind the large variation in the amount of atmospheric carbon dioxide sucked in by land each year.

    By Beth Mole
  2. Genetics

    Mutations that drive cancer lurk in healthy skin

    Healthy tissue carries mutations that drive cancer, samples of normal skin cells show.

    By Tina Hesman Saey
  3. Neuroscience

    Brain implants let paralyzed man move robotic arm

    Implanting tiny silicon chips in the action-planning part of a paralyzed man’s brain let him smoothly control a robotic limb with his thoughts.

    By Meghan Rosen
  4. Genetics

    Ancient DNA pushes back timing of the origin of dogs

    DNA extracted from the fossil of an ancient wolf indicates dogs and wolves diverged longer ago than previously thought.