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  1. Life

    Light shows fMRI works as advertised

    Optogenetic method validates assumption underlying brain imaging technique.

    By Laura Sanders
  2. Physics

    Record number of photons lassoed into a quantum limbo 

    Physicists entangle five particles, each existing in two states simultaneously.

    By Alexandra Witze
  3. Science & Society

    Students win big at Intel ISEF 2010

    Global high school science competition concludes with top prizes going to projects on cancer-fighting quantum dots, quantum computer algorithms and computer programming.

    By Laura Sanders
  4. Planetary Science

    Martian moon probably pretty porous

    Phobos may be a mass of rocky rubble, not a captured asteroid.

    By Sid Perkins
  5. Space

    Planets in nearby system are off-kilter, measurements show

    New observations shatter the notion that other planetary systems have the same flattened, disclike arrangement of orbits that rings the sun.