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  1. Tech

    A new airplane uses charged molecules, not propellers or turbines, to fly

    A small aircraft prototype is powered by ionic wind flowing in one direction and pushing the plane in the other.

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  2. Science & Society

    Do you know how your drinking water is treated?

    Editor in Chief Nancy Shute discusses drinking water quality in the United States and the latest research on water treatment technology.

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  3. Science & Society

    Readers react to the SN 10 and Jocelyn Bell Burnell

    Readers expressed their thoughts about the SN 10 scientists, Saturn's hexagons and Jocelyn Bell Burnell.

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  4. Tech

    How Twitter bots get people to spread fake news

    Automated bot accounts on Twitter help spread misinformation by strategically encouraging people to make it go viral.