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  1. Humans

    Letters

    Letters from the Dec. 20 & 27, 2003, issue of Science News.

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  2. Humans

    Letters

    Letters from the Dec. 20 & 27, 2003, issue of Science News.

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  3. Math

    Tricky Crossings

    Have you heard the one about an itinerant entertainer traveling with a wolf, a goat, and a basket of cabbages? E. Roell The showman comes to a river and finds a small boat that holds only himself and one passenger. For obvious reasons, he can’t leave the wolf alone with the goat, or the goat […]

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  4. From the December 9, 1933, issue

    BABY SKATES Psychologists were amazed by a motion picture film given a private showing for them recently in Chicago.