News in Brief

  1. Health & Medicine

    Keeping people within U.S. blood pressure guidelines saves lives

    Big reductions in heart attacks, strokes and deaths may be possible under 2017 blood pressure guidelines.

    By Aimee Cunningham
  2. Particle Physics

    Dark matter particles elude scientists in the biggest search of its kind

    The XENON1T experiment saw no signs of hypothetical dark matter particles called WIMPs.

    By Emily Conover
  3. Animals

    Pregnant bonobos get a little delivery help from their friends

    As in humans, female bonobos become helpers for mothers giving birth, data from captive apes suggest.

    By Bruce Bower
  4. Climate

    As CO2 increases, rice loses B vitamins and other nutrients

    Field experiments add vitamins to list of nutrients at risk from a changing atmosphere.