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  1. Humans

    From the December 30, 1933, issue

    NEW PIPE LINE TO BRING MORE WATER TO LOS ANGELES More water for Los Angeles is the purpose of the big steel serpent that the front cover of this weeks Science News Letter strikingly pictures climbing a mountain. This project, an achievement of electric welding, is conquering canyon and straddling mountain to join Boquet Canyon […]

    By Science News
  2. Math

    Perfect Magic Cubes

    A magic cube is a three-dimensional array of whole numbers, in which each row, column, and body diagonal (corner to corner, through the center) adds up to the same total. A perfect magic cube is one in which the diagonals of each vertical or horizontal slice through the cube also sum to the same value.