News

  1. Health & Medicine

    Bad Combo? Some antidepressants may hamper breast cancer drug

    Certain widely used antidepressants and a woman's own genes might diminish the effect of tamoxifen, a frontline breast cancer drug.

    By Nathan Seppa
  2. Earth

    Reflections on Insecticides: Mirror forms of agrochemicals set risk

    The toxicity of an insecticide or how long it persists in the environment depends on which mirror-image form of the chemical is present.

    By Alexandra Goho
  3. Anthropology

    Temples of Boom: Ancient Hawaiians took fast road to statehood

    A boom in temple construction on two Hawaiian islands around 400 years ago marked the surprisingly rapid formation of an early political state.

    By Bruce Bower
  4. Health & Medicine

    Beat Generation: Genetically modified stem cells repair heart

    Tissue engineers have for the first time used genetically modified human stem cells to repair damaged hearts in guinea pigs.