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  1. Physics

    A single atom can gauge teensy electromagnetic forces

    The force of scattering particles of light was measured in zeptonewtons, a billionth of a trillionth of a newton.

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  2. Planetary Science

    Venus may be home to a new kind of tectonics

    Venus’ surface seems to be divided into jostling blocks of crust, defying conventional wisdom about how the surfaces of rocky planets work.

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  3. Science & Society

    Why science still can’t pinpoint a mass shooter in the making

    Arguments flare over mass public shootings that remain scientifically mysterious.

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  4. Ecosystems

    50 years ago, invasive species traveled the Suez Canal

    Hundreds of Red Sea species used the Suez Canal to migrate to the Mediterranean Sea, leading to the decline of some native species.