From: kozelsm@attbi.com   
      
   quibbler  wrote:   
   >   
   > no@nomorespamplease.com.retro.com says...   
   >   
   > > unless and until we have robotically established conclusively that there is   
   > > or is not life on Mars, we can't put humans on the planet because they will   
   > > inevitably bio-contaminate it.   
   >   
   > Perhaps with some extremophilic organism.  However, it would be very hard   
   > for many organisms to survive the extreme cold, severe radiation, etc.   
   > It may be possible, but I doubt that life will exactly flourish there.   
   > We aren't even sure that there would be the necessary organic substances   
   > to support simple living organisms.   
      
   You're assuming life as it is known on Earth.   
      
   Alternate forms of life might prosper on Mars.   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)