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  1. Math

    Winning at Tennis

    The probability of winning a tennis set or match doesn't depend, in theory, on which player serves first.

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  2. Humans

    From the June 8, 1935, issue

    Ancient, titanic beasts at a museum, a test of vision theory, and ethylene gas and ripening fruit.

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  3. Ecosystems

    Tallgrass Prairie

    The Openlands Project played a key role in converting the former Joliet Arsenal in Illinois into the first national tallgrass prairie. This Web site traces the Midewin National Tallgrass Prairie’s history and provides a variety of classroom activities for students in grades 1 to 12. Lessons include plant investigations, predator and prey relationships, prairie climate, […]

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  4. 19561

    Your article made the minimization of aflatoxins in peanuts sound beneficial until the recommendation to treat the ground beneath the peanut pallets with insecticides.