News

  1. Earth

    Johnstown Flood matched volume of Mississippi River

    A modern survey of terrain determines flow rate of the 1889 flood that was one of America's deadliest disasters.

    By Sid Perkins
  2. Life

    People can control their Halle Berry neurons

    Researchers pinpoint individual brain cells that respond to particular people and objects.

    By Laura Sanders
  3. Health & Medicine

    Exercise helps brains bounce back

    Study of rhesus monkeys shows running protects dopamine neurons from death.

    By Laura Sanders
  4. Space

    SuperEarths common for other stars

    A mother lode of 32 newly discovered planets brings the number of known extrasolar planets to more than 400 and suggests that lightweight planets are common around sunlike stars.