darthgently Posted January 17 Share Posted January 17 14 hours ago, SunlitZelkova said: I think it is a given that if life becomes self-sustaining on Mars and doesn’t have much contact with Earth, it will diverge and become completely different from what is found on Earth. Same goes for humans. As has been noted in a few places through the years, settlements and Earth will probably have to synchronize microbes periodically to some degree to prevent a lack of immunity to something elsewhere wiping out a population on Earth or a settlement. The lesson of what happened when old world germs were introduced to the Americas should never be forgotten; it was painfully and traumatically learned. Lessons like that need to be cherished to avoid paying the price again Quote Link to comment Share on other sites More sharing options...
farmerben Posted Sunday at 10:44 PM Author Share Posted Sunday at 10:44 PM The problem there is that there are dozens of different genetic immune systems and Native Americans only had one or two of them. All humans probably share a common ancestor within the last 150,000-200,000 years. But Native Americans may have all come from a common source within the past 30,000. Quote Link to comment Share on other sites More sharing options...
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