During the Viking program in the 70's, Levin's Labeled Release experiments seemed to show life in the martian soil. Two other experiments, also on Viking, fail

During the Viking program in the 70's, Levin's Labeled Release experiments seemed to show life in the martian soil. Two other experiments, also on Viking, failed to collaborate this finding, although there were issues with both of them which made their negative findings less meaningful. Ever since Viking, there have been no biological experiments sent to Mars. The issue has been tabled for 30 years. I'm hoping Dr. Levin finally gets his confirmation. If that's the case, it would explain why they're double and triple checking things. http://en.wikipedia.org/wiki/Viking_program#Biological_experiments http://en.wikipedia.org/wiki/Viking_program#Biological_exper...