News

  1. Health & Medicine

    Evidence grows that an HPV screen beats a Pap test at preventing cancer

    More research finds that a test for human papillomavirus infection catches precancerous cervical cells better than the standard test, a Pap.

    By Aimee Cunningham
  2. Life

    This ‘junk’ gene may be important in embryo development

    Mice — and maybe humans — can’t get past the two-cell stage of development without a particular type of jumping gene.

    By Tina Hesman Saey
  3. Genetics

    Koala genome may contain clues for helping the species survive

    The complete genetic instruction book of a koala may explain why the cuddly-looking cuties are such picky eaters, among other secrets.

    By Tina Hesman Saey
  4. Quantum Physics

    Mini machines can evade friction by taking quantum shortcuts

    Special maneuvers allow researchers to create tiny machines that are as efficient as possible.