News in Brief

  1. Particle Physics

    Proposed experiment would create matter from light

    Photon collider would convert light into electrons and positrons.

    By Andrew Grant
  2. Genetics

    Qatari people carry genetic trace of early migrants out of Africa

    Qatari genomes carry shards of DNA that date back 60,000 years, when humans began to leave Africa.

    By Tina Hesman Saey
  3. Health & Medicine

    Blood test predicts if false labor is headed for delivery room

    A test for white blood cells and specific genetic markers may offer insights into whether preterm contractions are false labor or the real thing.

    By Nathan Seppa
  4. Climate

    Antarctic glacier melt is unstoppable

    The inevitable collapse of Antarctic’s western glaciers could raise global sea level by more than 4 meters in coming centuries.