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  1. 19114

    In this article, you state, “The first Fermat number is 22+1, or 5,” and later, “the first four Fermat numbers are prime, but [among] the rest, up to and now including the 24th, none are prime.” Almost all number theorists consider the first Fermat prime to be F0 = 220 + 1 = 3, so […]

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  2. Math

    Solving an Ancient African Game

    The game of awari has entranced players for thousands of years. Originating in Africa, it remains a popular pastime in many parts of the world. Awari and its numerous variants are instances of “count-and-capture” strategy games, and they are known generically as mancala games. In its traditional form, the awari game “board” consists of two […]

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  3. 19113

    Why not explore the connection to much greater use of antibiotics, particularly in recent years, including by expectant mothers and very young children? Could not this factor negatively affect immature immune systems, leading to increases in allergic disorders in otherwise healthy people? Robert C.