Searching for Signs of Life on Mars

NASA-funded researchers are refining a tool that could not only check for the faintest traces of life's molecular building blocks on Mars, but could also determine whether they have been produced by anything alive.

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<p><a href="http://www.physorg.com/news91730688.html">Searching for Signs of Life on Mars</a></p> <p>NASA-funded researchers are refining a tool that could not only check for the faintest traces of life's molecular building blocks on Mars, but could also determine whether they have been produced by anything alive.</p>