News

  1. Computing

    Check on Checkers: In perfect game, there’s no winner

    Thanks to an immense calculation that worked out every possible game position, computers can now play a flawless game of checkers and force a draw every time.

    By Julie Rehmeyer
  2. Health & Medicine

    Persistent Prions: Soilbound agents are more potent

    Prions, deformed proteins that cause brain-destroying diseases such as chronic wasting disease or mad cow disease, are more infectious when bound to soil particles.

    By Carolyn Barry
  3. Earth

    Birth of an Island: Megaflood severed Europe from Britain

    Hundreds of thousands of years ago, the spillover from an immense glacial lake carved a chasm that in a matter of weeks separated what is now Britain from continental Europe.