News

  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. Health & Medicine

    Lavender Revolution: Plant essences linked to enlarged breasts in boys

    Two natural ingredients in many hair- and skin-care products act like a female sex hormone and can cause abnormal breast development in boys.

    By Ben Harder
  4. Chemistry

    Sweet Synthesis: Fructose product could replace chemicals from oil

    A new study describes the efficient use of fructose toward making a renewable building block for many useful chemicals.