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  1. Earth

    Recent heat may indicate faster warming

    A new analysis of temperature records indicates that global warming may be picking up its pace.

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  2. Archaeology

    Ancient Asian Tools Crossed the Line

    Excavations in China yield surprising finds of 800,000-year-old stone hand axes.

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  3. 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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  4. 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.