Uncategorized

  1. Space

    Making an impression

    In its seventh day after successfully landing on the Red Planet, the Phoenix Lander digs its first trench and is ready to start its ice-hunting.

    By Ashley Yeager
  2. Health & Medicine

    Microbes clean up mercury

    Researchers think a microbe could clean up mercury-laced Native American artifacts.

    By Rachel Ehrenberg
  3. Life

    Replaying evolution

    By watching bacteria evolve in the lab for 20 years, researchers show that evolution may be rather capricious.

    By Patrick Barry
  4. Math

    Communities of Communities of …

    A new approach to network theory focusing on the subcommunities within networks may shed light on everything from food webs to terrorist cells.