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  1. Neuroscience

    New view of mouse brain provides up-close look at nerve cells’ habitat

    Detailed reconstruction of a tiny fleck of mouse brain reveals neural complexity.

    By Laura Sanders
  2. Life

    Encountering an unexpected Pluto and life’s complexity

    Just as genetic analyses are revealing details of life’s long history, the New Horizons probe is bringing the fuzzy surface of Pluto into focus.

    By Eva Emerson
  3. Neuroscience

    Global warming unpaused, how space affects the brain and more reader feedback

    A reader shares a story about Stephen Jay Gould, while others discuss how to protect the brain from radiation in space and whether 2014 was the hottest year on record.

    By Science News Staff
  4. Life

    The tree of life gets a makeover

    Biology’s tree of life has morphed from the familiar classroom version emphasizing kingdoms into a complex depiction of supergroups, in which animals are aligned with a slew of single-celled cousins.