News

  1. Physics

    Low-energy laser makes leap toward practicality

    Researchers have created a polariton device that runs on electricity.

    By Andrew Grant
  2. Animals

    Tamed fox shows domestication’s effects on the brain

    Gene activity changes accompany doglike behavior in foxes bred over more than 50 years.

    By Tina Hesman Saey
  3. Life

    Fossils point to ancient ape-monkey split

    Apes and monkeys split from a common ancestor more than 25 million years ago, fossil finds suggest.

    By Bruce Bower
  4. Earth

    Groundwater isolated for eons

    At least 1.5 billion years after it last saw the surface, flowing liquid may host life.

    By Erin Wayman
  5. Life

    Body’s clock linked to depression

    Gene activity in the brain suggests that circadian rhythms are off-kilter in people with depression.