News

  1. Physics

    Light pulse hovers in atom capsule

    A new way to freeze light pulses in midflight preserves the pulses' optical energy and may eventually lead to using stationary light in optical circuits and quantum computers.

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  2. Human genes take evolutionary turns

    Researchers have identified a set of genes that has evolved an extensive pattern of alterations unique to people.

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  3. Earth

    This pollutant fights lupus

    A hormone-mimicking pollutant that leaches out of some plastics appears to fight lupus.

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  4. Health & Medicine

    Could refrigeration explain Crohn’s rise?

    Crohn's disease, marked by inflammation of the small intestine, could be caused by refrigeration of meats, a process that selects for hardy bacteria that handle cold temperatures well, researchers hypothesize.