Microbes May Threaten Lengthy Spaceflights, Washington Post
"With NASA now actively planning for the day when astronauts will live for months on the moon or make the years-long flight to Mars and back, a potentially troublesome question is being raised with increasing urgency: Is the human body -- even a well-protected human body -- capable of living in space for long periods without suffering serious damage?"
Editor's note: So what does Mike Griffin do? He slashes space life science research.