News

  1. Climate

    There’s something cool about Arctic bird poop

    Ammonia from seabird poop helps brighten clouds in the Arctic, slightly cooling the region’s climate.

    By Thomas Sumner
  2. Particle Physics

    New analysis boosts case for smaller proton

    Electron scattering data hint at a slightly smaller proton radius.

    By Emily Conover
  3. Health & Medicine

    Popular painkiller doesn’t have more heart risks than others, study claims

    A long anticipated trial of the drug Celebrex finds it poses no more risk to the heart than do similar painkillers, but critics cite flaws in the study.

    By Laura Beil
  4. Health & Medicine

    Poor diet in pregnancy, poor heart health for infants

    Moms who eat too little during pregnancy could have babies with heart risks.