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Q&A How can I tell if stone age aliens are sapient?

Let's say I have been chosen to evaluate whether or not alien worlds contain sapient life before we terraform them. Just assume that we learned to work together and live as a species in peace, trea...

4 answers  ·  posted 8y ago by Uncle Tres‭  ·  last activity 8y ago by Uncle Tres‭

Question biology aliens exploration sapience xenobiology