As evidence mounts that there may be life elsewhere in the solar system,the national space agency gears up to protect Earth from possible extraterrestrial contamination. For the first time, Apollo scientists are admitting publicly that efforts to protect Earth from extraterrestrial microbes were a failure. And they are warning that (the) NASA must do a better job with samples they plan to bring back from the planet Mars in the year 2003. Living on Earth’s Daniel Grossman reports.
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