Uncategorized

  1. Earth

    Battering storms caused Antarctic sea ice to shrink at record pace

    Unusually intense storms could explain why Antarctic sea ice shrank to its smallest observed extent this year.

    By Maria Temming
  2. Archaeology

    Sound-reflecting shelters inspired ancient rock artists

    Ancient Europeans sought rock art sites where sounds carried.

    By Bruce Bower
  3. Ecosystems

    Earth’s dry zones support a surprising number of trees

    A Google Earth-based estimate of dryland forests adds serious leafage to Earth’s total tree count.

    By Beth Geiger
  4. Chemistry

    Every breath you take contains a molecule of history

    In 'Caesar’s Last Breath', best-selling author Sam Kean tells vivid stories about the gases we can’t see.