News

  1. Earth

    Bubblin’ plume

    Sonar survey spots previously unknown plume in the depths off California.

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  2. Earth

    Rapid evolution may be reshaping forest birds’ wings

    Logging during the last century might have driven birds in mature boreal forests toward pointier wings while reforestation in New England led to rounder wings.

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  3. Earth

    Hazy changes on high

    A big boost in coal burning, especially in China, is adding aerosols to the stratosphere.

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  4. Tech

    Isotope crisis threatens medical care

    Global production of the feedstock for the leading medical-imaging isotope is low and erratic, putting health care in jeopardy.