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Q&A How to evolve human-like eyes that can stare at the sun without protection?

Imagine a species that is very much like humans in shape, size and physiology. But they are able to stare at the sun for long periods without suffering any harm, and without needing any artificial ...

7 answers  ·  posted 5y ago by Renan‭  ·  last activity 5y ago by Renan‭

Question biology creature-design vision