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  1. Concentrated Guidance: Attention training gives kids a cognitive push

    A brief course on how to pay attention boosts children's scores on either intelligence or attention tests, depending on their age.

    By Bruce Bower

  2. Milky seas clarified

    With the help of satellites, scientists have obtained the first-ever photos of an expanse of seawater filled with bioluminescent bacteria.

    By Christen Brownlee
  3. Astronomy

    Cosmic Ray Font: Supernova remnants rev up ions

    High-resolution X-ray images of the Tycho supernova remnant offer new evidence that supernova shock waves generate most cosmic rays that bombard Earth.

    By Ron Cowen

  4. 19598

    This article is unfortunately murky. It’s confusing to state that accelerating charged particles to high speeds “therefore” produces cosmic rays.