News

  1. Humans

    Harsh conditions in childhood have long-term effects

    Kids from Romanian orphanage also had lower volumes of gray matter.

    By Laura Sanders
  2. Genetics

    Crosses make lab mice even more useful

    Scientists have bred new strains of lab animals with the goal of making it easier to tease out genetic components of complex diseases.

    By Tina Hesman Saey
  3. Health & Medicine

    Osteoporosis drugs delivered wirelessly

    Implanted microchip that releases medications on command has been tested in people for the first time.

    By Rebecca Cheung
  4. Life

    All genes aren’t indispensable

    Even healthy people may have about 20 genes that are completely inactivated, a new study finds.