News

  1. Life

    Grasshoppers’ terror outlives them

    After an existence plagued by predatory spiders, the insects pass into oblivion, leaving a legacy of impoverished soil.

    By Devin Powell
  2. Life

    Calcium offers clues in mass extinction

    Ocean acidification during Permian period may have caused the Great Dying.

    By Devin Powell
  3. Health & Medicine

    Diet sodas may confuse brain’s ‘calorie counter’

    Among regular consumers of sugar-free soft drinks, networks that equate sweet flavors with energy intake may grow numb to the real stuff.

    By Janet Raloff
  4. Earth

    Ancient volcanoes destroyed ozone

    Prehistoric eruptions gave off huge amounts of a gas that erodes the UV-blocking atmospheric layer.