News

  1. Earth

    Powerful New England quake recorded in pond mud

    The newfound sediment signature of the 1755 Cape Ann earthquake could be used to trace other prehistoric temblors.

    By Carolyn Gramling
  2. Life

    ‘Nanobot’ viruses tag and round up bacteria in food and water

    Viruses called phages evolved to hunt bacteria. With magnetic nanoparticles and genetic engineering, they become nanobots that work for us.

    By Carolyn Wilke
  3. Planetary Science

    Water may have killed Mars’ magnetic field

    Extra hydrogen near the Red Planet’s iron core could have shut down convection.

    By Lisa Grossman
  4. Neuroscience

    When tickling the brain to stimulate memory, location matters

    Conflicting results regarding the benefits of brain stimulation may be explained by the precise location of electrodes.