News

  1. Earth

    Oceans’ salinity changed over last half-century

    Warmer atmosphere may be to blame for changes in the water cycle.

    By Devin Powell
  2. Life

    Bony bacteria

    A newly described species of blue-green algae builds hard structures inside its cells.

    By Rachel Ehrenberg
  3. Humans

    DNA tracks ancient Mediterranean farmers to Scandinavia

    Modern genetic profile emerged from mating with resident hunter-gatherers, a new study suggests.

    By Bruce Bower
  4. Health & Medicine

    Test drug eases behavioral symptoms seen in autism

    In mouse experiments, the compound curbs repetitive behaviors and improves sociability.

    By Laura Sanders
  5. Health & Medicine

    Snakes swirl in blink (and jump) of an eye

    The Rotating Snakes optical illusion is preceded by blinking and tiny ocular movements, a new study shows.