News

  1. Life

    Tree cricket song has note of variability

    Wings’ length, individual segments allow species to produce mating calls in range of frequencies.

    By Rebecca Cheung
  2. Life

    Shot may top acupuncture for pain relief

    Carefully placed enzyme injection has a long-lasting effect in mice.

    By Tina Hesman Saey
  3. Earth

    Oceans’ salinity changed over last half-century

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

    By Devin Powell
  4. Life

    Bony bacteria

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

    By Rachel Ehrenberg
  5. Humans

    DNA tracks ancient Mediterranean farmers to Scandinavia

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