News

  1. Health & Medicine

    Molecule may protect against kidney damage

    People with a gene for the protein called apoE-IV are less likely to have the dangerous complication of kidney failure after a heart-bypass operation than are people who make other versions of the protein.

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  2. Materials Science

    A new carbon nanotool springs to life

    Physicists have pulled out the inside cylinders of multiwall carbon nanotubes, as if expanding a telescope, indicating how the devices may serve as tiny bearings and springs in future nanomachines.

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  3. Earth

    Newfound gas is greenhouse powerhouse

    Scientists have detected in the atmosphere for the first time a gas that traps heat more effectively than any other previously found there.