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Science 1 October 2004:
Vol. 306. no. 5693, p. 29
DOI: 10.1126/science.306.5693.29a
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News of the Week

PLANETARY SCIENCE:
Heavy Breathing on Mars?

Richard A. Kerr

Planetary scientists probing the martian atmosphere through the Mars Express orbiter report that both methane and water tend to be concentrated over the same three equatorial regions of Mars, regions covered by water-enriched soils.

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