News

  1. Health & Medicine

    Brain has two slots for working memory

    The left and right hemispheres have equal and independent capacity, monkey study finds.

    By Laura Sanders
  2. Physics

    Science of friction is a bit rough

    In lab experiments, physicists trying to understand earthquakes are bumping up against the limitations of existing theory.

    By Devin Powell
  3. Planetary Science

    Messages from Mercury

    The latest data from a NASA spacecraft give compositional clues and reveal craters that could hold frozen water

    By Ron Cowen
  4. Earth

    Tsunami lit up the heavens

    Camera captures glowing atmospheric ripples triggered by Japan’s deadly quake as they pass over Hawaii.