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Nature 444, 800-801 (14 December 2006) | doi:10.1038/444800a; Published online 13 December 2006
Martian gullies turn tide in hunt for life
Katharine Sanderson
Planetary scientists are eager to step up their search for life on Mars after news that liquid water seems to have flowed down gullies (pictured right) in the planet's mid-latitudes within the past few years.Mike Malin of Malin Space Science Systems in San Diego, California, and his team saw gullies forming on two crater walls on Mars between 1999 and 2005.
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