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Science 31 August 2007:
Vol. 317. no. 5842, pp. 1177 - 1178
DOI: 10.1126/science.1144405
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Perspectives

GEOPHYSICS:
Mapping the Earth's Engine

William F. McDonough

Neutrinos created by nuclear decay may allow geoscientists to measure the distribution of radioactive elements in the Earth.

The author is in the Department of Geology, University of Maryland, College Park, MD 20742, USA. E-mail: mcdonoug{at}umd.edu

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Science. ISSN 0036-8075 (print), 1095-9203 (online)