"The Earth Strain" --Could NASA's 'Curiosity' Probe on Its Way to Mars Contaminate the Planet?

"The Earth Strain" --Could NASA's 'Curiosity' Probe on Its Way to Mars Contaminate the Planet?: Michael Crichton would have loved this: Bacteria common to spacecraft may be able to survive the harsh environs of Mars long enough to inadvertently contaminate the Red Planet with terrestrial life,