News

  1. Health & Medicine

    Amniotic sac not so sacrosanct

    Infections found in amniotic fluid may be more common than thought and may cause premature birth.

    By Ashley Yeager
  2. Life

    Live long and alter

    Yeast cells fed a calorie-restricted diet live longer and have just as much energy as those fed a normal diet.

    By Patrick Barry
  3. Health & Medicine

    Looking beyond insulin

    Leptin gene therapy reverses many of the consequences of type 1 diabetes in mice and rats.

    By Tina Hesman Saey
  4. Life

    Compass creatures

    Herds of grazing and resting deer and cattle tend to align themselves with the Earth’s magnetic field, a hint that the large mammals can somehow sense the invisible field.