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Canonical URL: https://cnn.com/2026/07/25/climate/silurian-hypothesis-another-civilization-before-humans

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If another advanced civilization lived on Earth before us, would we know?(cnn.com)
HN #49,052,0092026-07-25 21:56 UTC
10 pointsby samizdis15 days ago0 comments

Prior reposts (1 of 2 total)

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If another advanced civilization lived on Earth before us, would we know?(cnn.com)
HN #49,047,4322026-07-25 13:30 UTC
4 pointsby breve15 days ago1 comments