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Science 30 June 2000:
Vol. 288. no. 5475, pp. 2295 - 2297
DOI: 10.1126/science.288.5475.2295
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News of the Week

PLANETARY SCIENCE:
Making a Splash With a Hint of Mars Water

Richard A. Kerr

A wave of chatter about water and therefore possible life on Mars swept a paper at Science into headline news a week before its scheduled publication. The paper, on page 2330 of this issue, features high-resolution pictures of muddy-looking gullies on the sides of martian craters, suggesting the prospect of liquid water on, or at least near, the surface of the planet. But a number of skeptical planetary scientists are already coming up with alternative explanations for the rivulet-ridden piles of debris that exclude stores of liquid water and therefore readily accessible life.

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