Earth's Enigmatic Interface

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Science  07 Jul 2000:
Vol. 289, Issue 5476, pp. 70-71
DOI: 10.1126/science.289.5476.70

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At the boundary between Earth's mantle and its core, physical properties such as density change dramatically. In their Perspective, Garnero and Jeanloz discuss the competing models of this boundary's structure. Distinguishing between the models will require more high-quality seismic data.