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Salty Rocks on Mars

Caption: A false-color, composite image from the Mars Odyssey Thermal Emission Imaging System (THEMIS) based on infrared spectra, showing putative chloride-bearing materials (in blue) in the Terra Sirenum region of Mars. This image relates to an article that appeared in the March 21, 2008 issue of the journal Science, published by AAAS. The study, by Dr. Mikki M. Osterloo and colleagues at University of Hawaii in Honolulu, HI, was titled "The Late Pleistocene Dispersal of Modern Humans in the Americas."

Credit: Image courtesy of Mikki M. Osterloo

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