News

  1. Life

    Saber-toothed cats strong-armed prey

    Smilodon fatalis used strong forelimbs to pin victims, an analysis of fossils shows.

    By Gwyneth Dickey
  2. Life

    Evolutionary adaptation breeds gender-identification confusion

    The rise of camouflage among some lizards in White Sands National Monument has generated a communication breakdown.

    By Susan Milius
  3. Health & Medicine

    For most centenarians, longevity is written in the DNA

    A study of people who live past 100 reveals many genetic paths to a long life.

    By Tina Hesman Saey
  4. Health & Medicine

    Stem cells from blood a ‘huge’ milestone

    New technique promises to be easier, cheaper and faster than other harvesting methods.