News

  1. Physics

    New data zap views of static electricity

    Materials appear to build up charge by exchanging tiny bits of material, a study concludes.

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  2. Life

    Blue light used to treat diabetes

    Illumination triggers control of blood sugar in mice implanted with engineered human cells.

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  3. Space

    Spacecraft goes from crash landing to mission accomplished

    The wreckage of the Genesis probe yields a bonanza of discoveries about conditions in the early solar system.

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  4. Life

    From Z’s to A’s

    Two new studies show sleep is crucial to learning.

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  5. Paleontology

    Big dinosaurs kept their cool

    Body temperature of long-gone beasts resembled that of mammals, study of fossil teeth suggests.