contamination

It's perhaps difficult to extract logic when we could be dealing with the symptoms of mental health problems, but I've always been curious about what drives those who contaminate food in the hope of harming perfect strangers. It puts me in mind of the repeated baby-stabbing attacks on schools...

This month saw the peak of the Apollo 11 50th anniversary commemorations. One aspect of the Apollo 11 mission that didn't get much attention was the concern for post-mission decontamination and testing of lunar samples for possible toxic / biohazard effects. This was, after all, the first time...

Someone more knowledgable will no doubt know for sure, but I think all the early moon probes and all mars probes so far are/were fully steralized to prevent contamination. Later moon probes were not steralized and I think that one of the manned missions retreived parts of a probe and it was...