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Q&A Scientific Accuracy - How can we make an alien brain more 'efficient' than a human's?

I am designing an semi-aquatic sapient species known as the Tetrapi. They have an appearance similar to that octopi, only with 4 tentacles comprised of 3 opposable digits. Unlike octopi, they are a...

4 answers  ·  posted 7y ago by Andsaur‭  ·  last activity 7y ago by Andsaur‭

Question biology evolution creature-design xenobiology