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Potential cultural impact of extraterrestrial contact - Wikipedia
Is humanity prepared for contact with intelligent aliens?
The missing plan for alien first contact - BBC
First contact with aliens could easily end in genocide, scholars warn
How to talk to extraterrestrials — Harvard Gazette
Scientists are working on an official 'alien contact protocol' for …
Here's how aliens will actually make first contact with humanity
Are we alone in the universe? 4 essential reads on potential contact ...
Why Extraterrestrials Haven't Contacted Earth Yet | TIME
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