microbes

Visions of Life on Mars in Earth’s Depths as Investigated by Princeton GEO team

WITWATERSRAND BASIN, South Africa — A mile down in an unused mine tunnel, scientists guided by helmet lamps trudged through darkness and the muck of a flooded, uneven floor.  Leaning a ladder against the hard rock wall, Tullis C. Onstott, a geosciences professor at Princeton, climbed to open an old valve about a dozen feet up. Out flowed water chock-full of microbes, organisms flourishing from heat generated from the interior of the planet below.