News

  1. Tech

    Counting calories on the road

    People are programmed to spend about the same number of calories per day—roughly the energy of one hot dog—on daily travel, according to new analysis of British transportation statistics.

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  2. Astronomy

    Revved-up antics of a pulsar jet

    Flailing like an out-of-control fire hose, a mammoth jet of charged particles gushing from a collapsed star is varying its shape and brightness more rapidly than any other jet known in the heavens.

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  3. Materials Science

    Gas sensor uses nanotube parts

    New sensors use carbon nanotubes to analyze gas.

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  4. Health & Medicine

    Viral protein could help liver therapy

    Researchers have developed a method of delivering gene therapies to targeted cells that makes use of viral proteins rather than whole virus particles.