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  1. Math

    Anatomy of a Bead Creature

    Beadwork offers a novel view of hyperbolic geometry.

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  2. Math

    Functions on Display

    To mathematicians, the term “function” has a specific meaning. It’s a rule that assigns a fixed output for a given input; in effect, a formula. Among the most familiar functions are the sine and cosine functions of trigonometry. The Wolfram Functions Site offers a huge functions database, providing information about and visualizations of more then […]

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  3. Humans

    From the April 14, 1934, issue

    Yawning spells, disagreeable alcohols from anaerobic respiration, and how antibodies protect adults from disease.

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  4. Chemistry

    Materials Factory: RNA manufactures palladium particles

    Chemists have evolved RNA fragments in the lab that spontaneously synthesize highly uniform, hexagonal-shaped nanoparticles of palladium.