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  1. Earth

    Water for the Rock

    A long-popular theory about how Earth got wet—that the oceans are puddles left by an ancient rain of comets—doesn't seem to hold water, and new hypotheses suggest that the celestial pantry is now empty of a key ingredient in the recipe for Earth.

    By Ben Harder

  2. From the March 19, 1932, issue

    EXPLOSIONS USED TO LOCATE OIL FIELDS IN SOUTHWEST A beautiful explosion, so large that the camera could only catch a part of it with sufficient clarity to detail its streaked and billowing effects, is reproduced on the front cover of this week’s Science News Letter. It is one of hundreds of such blasts that have […]

    By Science News
  3. Physics

    Signatures of the Invisible

    Contemporary artists worked with CERN particle physicists to create pieces of art that respond to (rather than simply illustrate) the preoccupations of modern physics.