News

  1. Health & Medicine

    Mucus-related gene tied to lung disease

    People with pulmonary fibrosis are much more likely to make excess amounts of a normally beneficial protein, a study finds.

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  2. Life

    Gut bacteria come in three flavors

    Everybody has one of a trio of types — and which one seems to be less important than how the bugs behave.

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  3. Physics

    Scientists see the one-way light

    Nonlinear materials that allow directional discrimination of waves could be used to make components for light-based computers.

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  4. Humans

    Killing fields of ancient Syria revealed

    Stone corrals were used to trap whole herds of animals for mass slaughter.