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If there were extra-terrestrial aliens living among us, is there a sure-fire way to determine that?
Asked by elbanditoroso (33157)
October 15th, 2018
I’m assuming cognitively they would perfect and fit in.
Would we be able to tell that they’re aliens because their skin would be different? Their blood? Their teeth?
If there were nothing biologically different about an extra-terrestrial, how would we know that they’re aliens? (and not just humans)
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