News

  1. Genetics

    DNA tags mostly deleted in human germ cells

    Human embryos come with some heavy-duty erasers. Chemical tags on DNA get mostly wiped out in the womb.

    By Meghan Rosen
  2. Animals

    Pregnant male pipefish not so great at giving embryos oxygen

    During male pregnancy, pipefish embryos can get stunted by low oxygen in dad’s brood pouch.

    By Susan Milius
  3. Health & Medicine

    Deadly MERS spreads in small cluster in South Korea

    Thirty people have MERS virus in the South Korean outbreak, including China’s first case.

    By Tina Hesman Saey
  4. Planetary Science

    Pluto’s four littlest moons probably born in a crash

    On the eve of the arrival of the New Horizons spacecraft, Pluto’s tiny moons hint at a common origin.