News

  1. Life

    Antibiotics linked to fat buildup

    Research in mice implicates changes in gut microbe mix; study in infants finds excess weight gain after use of the drugs.

    By Tina Hesman Saey
  2. Earth

    Himalayan melt may be less than thought

    Satellite data suggest net ice loss has been modest.

    By Allison Bohac
  3. Earth

    Nanosized pollutants pose crop risks

    Nanoparticles in exhaust and common consumer products can end up in soil and harm the growth and health of crops.

    By Janet Raloff
  4. Humans

    Gene may boost effects of peer pressure

    DNA trait linked to tendency to be affected by high or low levels of alcohol and cigarette use in high school.