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  1. Letters

    Ancient graffiti Regarding “Graffiti on the walls in Pompeii” (SN: 01/30/10, p. 14), I remember reading some years ago about graffiti being discovered in Pompeii. There was even a symbol that researchers interpreted as a sort of “Kilroy was here.” Is this an on­going study? New sites? I wonder if there were other markings, such […]

    By Science News
  2. Space

    Magnetic flows cause sunspot lows, study shows

    Observations of gas flows on the solar surface may explain why the sun recently had such a prolonged case of the doldrums; could lead to more accurate predictions for the duration and severity of future solar cycles.

    By Ron Cowen
  3. Physics

    For quantum computer, add a dash of disorder

    Flawed crystals could help couple light to matter and may compete with more perfectly ordered materials.