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Q&A Why haven't scientists found evidence of humans interbreeding with aliens?

In my alternative universe, Atlantis was a real city that existed, although it wasn't called Atlantis or founded by humans. Atlantis or rather, Dosham was a city on an isolated landmass in the nort...

5 answers  ·  posted 4y ago by Arbiter Elegante‭  ·  last activity 4y ago by Arbiter Elegante‭

Question biology reproduction genetics archaeology xenobiology species