News

  1. Health & Medicine

    Small tweaks prevent 1918-flu transmission

    Just a couple of small genetic changes in a pandemic flu virus prevented it from passing efficiently between lab animals.

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  2. Health & Medicine

    Orexin-blocking pill speeds sleep onset

    A new compound that inhibits the activity of the alertness-promoting brain peptide orexin shows promise as a potential sleeping pill.

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  3. Terrorism sparks heartfelt aftermath

    Although terror-attack survivors often rebound emotionally, their bodies stay on heightened alert long after such traumas, according to tests of witnesses to the 1995 Oklahoma City bombing.

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  4. Astronomy

    Tiny shutters for new observatory

    A recently developed device, known as a microshutter, will allow the proposed James Webb Space Telescope to simultaneously record the spectra of light from 100 galaxies.