If another civilisation lived on Earth before us, would we know?
By billybuckwheat · 2026-07-26 · 5 points · 1 comments
https://www.rnz.co.nz/news/world/801858/if-another-civilisation-lived-on-earth-before-us-would-we-know
By billybuckwheat · 5 points · 1 comments · on Hacker News, read on BetterNews.
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