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tsr zarrella curiosity mission _00020715
tsr zarrella curiosity mission _00020715

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    NASA's search for signs of life on Mars

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NASA's search for signs of life on Mars

John Zarrella reports on the Sherlock Holmes of Mars rovers looking for clues to life with elementary science.

NASA's search for signs of life on Mars

John Zarrella reports on the Sherlock Holmes of Mars rovers looking for clues to life with elementary science.