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Here are some estimates of how many people it would take to keep the human species alive.
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Scooped by Al Cannistra |
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Is the end of humanity coming? must we get off planet to save the species? who is right - 98 people? or 14,000 people? 98 in a spaceship seems doable - 14,000 would be a challenge in multiple ships. WILL we accomplish the task IN TIME?
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