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How to make a backup of life on earth in case of a planetary extinction event, assuming that those off planet could start over once things calmed down.
by michaelwww 14y ago
How to make a backup of life on earth in case of a planetary extinction event, assuming that those off planet could start over once things calmed down.
- pjscott 14y agoIt also developed a lot of the basic technology we'd need to avert a large asteroid impact. I doubt this was anybody's goal, but it sure happened.