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Science 14 January 2005:
Vol. 307. no. 5707, p. 202
DOI: 10.1126/science.307.5707.202a
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News Focus

AMERICAN GEOPHYSICAL UNION MEETING:
A Lively Core Turns Mercury Into an Enormous Electromagnet

Richard A. Kerr

SAN FRANCISCO, CALIFORNIA--More than 11,500 earth scientists from around the world gathered 13 to 17 December at the fall American Geophysical Union meeting. Two groups of researchers built a strong case that Mercury generates its magnetic field in a lingering remnant of a molten core, much the way Earth's geodynamo operates.

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