News

  1. 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
  2. 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
  3. 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.

    By David Shiga
  4. Earth

    Tsunami Disaster: Scientists model the big quake and its consequences

    Scientists are modeling the immediate and long-term effects of the magnitude 9.0