Questions tagged [humans]

For questions about humans as we know them or slightly changed, their physiology, psychology, politics, society and goals.

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16 votes
5 answers
5k views

Would a human individual adapt to a change in the day-night cycle?

I'm thinking on the colonizing of another planet by humans. The conditions of this planet are quite different from Earth, and particularly the day-night cycle is much larger. In my fictional planet, ...
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154 votes
20 answers
108k views

What is the minimum human population necessary for a sustainable colony?

How many humans are needed in order to sustain and grow a steady population in a habitable area? Assume resources are adequate and the environment is favorable. To further refine this question, let'...
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