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Scientists Say Earth Bacteria Could Easily Colonize Mars

Researchers from NASA’s Jet Propulsion Laboratory, in California, say bacteria from Earth could easily accompany astronauts to Mars, and could quickly colonize the planet. Three different teams, researching how to sanitize the equipment going to other planets, discovered that some of the bacteria from Earth are resistant to all space hazards, including vacuum, cold and the full spectrum of dangerous radiation. Scientists already knew it is practically impossible to prevent other forms...

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