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  1. Humans

    The Wealth of Nations

    Analysis of the connections among different types of economic activities explains why some countries succeed, and others fail, in diversifying their economies.

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  2. Rethinking Bad Taste

    Many animals use mimicry to gain a competitive advantage, but are there degrees of cheating?

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  3. Computing

    Can You Face It?

    The University of St. Andrews, in Scotland, has developed some face-transforming software that allows people to change the age, sex, or ethnicity of the person in an image that you export from your computer. Or, blend features from a number of faces into one amalgam. If all that is too creepy, then just import art […]

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  4. Humans

    From the August 21, 1937, issue

    Solar astronomers argue over the influence of sunspots on the weather, Hubble (the man, not the telescope) finds a comet, and paramecia discover sex.