Uncategorized

  1. Planetary Science

    Dispatch from Mars, Sol 4

    The good news is a tentative sighting of ice by the Mars Phoenix Lander. The bad news is the discovery of a glitch in the system that will analyze soil samples.

    By Ron Cowen
  2. Earth

    Virtual seismometer

    A new supercomputer simulation of the large quake that struck central China earlier this month could help researchers estimate the size of the ground motions experienced in areas that didn’t have seismic instruments.

    By Sid Perkins
  3. Earth

    Death downwind

    Pollutants generated by human activity in Europe significantly boost ozone concentrations downwind, harming people’s health and causing thousands of premature deaths in North Africa, the Near East and the Middle East.