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  1. Math

    Folding Paper in Half—Twelve Times

    You can’t fold a sheet of paper in half more than seven or eight times, no matter how large the sheet or thin the paper may be. How often have you heard that statement? Perhaps you’ve even put this assertion to the test. And, indeed, it is difficult to get beyond about seven or eight […]

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  2. Humans

    Letters

    Letters from the Jan. 24, 2004, issue of Science News.

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  3. Humans

    From the January 20, 1934, issue

    alt=”Click to view larger image”> GRAVE OF PREHISTORIC CHIEF’S DAUGHTER EXCAVATED A girl of 20, almost toothless! This is the pathetic picture of prehistoric Alaska revealed in the skeleton of an Eskimo chief’s daughter.