News

  1. Earth

    Ozone flares with fireworks festivities

    Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.

    By Jessica Gorman
  2. Health & Medicine

    Critical Care: Sugar Limit Saves Lives

    Strictly controlling blood-sugar concentrations in critically ill patients can reduce deaths by a third.

    By Damaris Christensen
  3. Health & Medicine

    Forget about jet lag, and much more

    Airline flight attendants with chronic jet lag have higher stress hormone concentrations and smaller temporal lobes (centers of short-term memory in the brain)than do more rested attendants.

    By Jessa Netting
  4. Health & Medicine

    Prostate protection? This is fishy

    Diets rich in fish may cut a man's risk of prostate cancer.