Uncategorized

  1. Health & Medicine

    Salmonella may join fight against cancer

    Salmonella modified to remove its virulence works as a cancer vaccine, tests in mice show.

    By Nathan Seppa
  2. Earth

    Asian sediments betray age of nearby desert

    Grains of silt embedded in thick sediments of northwestern China may settle a debate about the age of the Taklimakan Desert.

    By Sid Perkins
  3. Earth

    Dirty Little Secret

    Recognition is growing that many communities have soils laced with asbestos, which has prodded several federal agencies to probe the hazards they might pose.

    By Janet Raloff

  4. 19704

    When discussing how polarized light can help clarify our understanding of supernova mechanisms, this article initially quotes Doug Leonard’s explanation that “one does not see deeper into an object using polarimetry.”