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Q&A Rigorous Science Meta
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Q&A A charred human arm appears from thin air; what can we learn from it?

Setting: Modern day Earth, no special technology advancements. Situation: On day, in a relatively populated American city (the specific city is unimportant...the purpose of this point is that it's...

4 answers  ·  posted 8y ago by Liesmith‭  ·  last activity 6y ago by Liesmith‭

Question travel biology time-travel time