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For questions about living things. Does not exclude aliens, but additional information is usually necessary (consider using "xenobiology" instead).

3 votes

Minimal lifespan of a species for civilization to arise

Tl;dr: The lifespan is not the issue. The real question is how long it takes an individual to develop from perception to maturity and life span only balances the drawbacks of a long childhood. And the …
hajef's user avatar
  • 456
3 votes

What could be the physiological mechanism for a biological Geiger counter?

I asked myself the same question (except for evolution instead of genetical engineering). The answer I found back then was more basic but if you go for full genetical engineering, here are my thoughts …
hajef's user avatar
  • 456