News

  1. Planetary Science

    Spirit Gets Its Wheels Dirty: Mars rover begins scientific work

    Spirit, the rover that landed on Mars on Jan. 3, last week began studying the rocks and soil at its landing site.

    By Ron Cowen
  2. Health & Medicine

    Cluster Buster: Might a simple sugar derail Huntington’s?

    A study in mice with a disease resembling Huntington's shows that a simple sugar impedes the protein aggregation that kills brain cells.

    By Nathan Seppa
  3. Health & Medicine

    Viruses depend on shocking proteins

    To replicate within a cell, a bird virus must force the cell to make certain proteins.

    By John Travis
  4. Health & Medicine

    Drugs slow aging in worms

    Drugs that defuse so-called free radicals lengthen a worm's life span by more than 50 percent.