Study shows difficulty in finding evidence of life on Mars – Phys.org

In a little more than a decade, samples of rover-scooped Martian soil will rocket to Earth.
While scientists are eager to study the red planet’s soils for signs of life, researchers must ponder a considerable new challenge: Acidic fluidswhich once flowed on the Martian surfacemay have destroyed biological evidence hidden within Mars’ iron-rich clays, according to researchers at Cornell University and at Spain’s Centro de Astrobiología.
The researchers conducted simulations involving clay and a…

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