Masuk
Masuk
The Silurian Hypothesis
85 ditonton•2 tahun lalu
The idea that we aren’t the first advanced civilization to live on Earth sounds like a fringe theory, but it raises a good question: How can we be so sure that a civilization didn’t arise and die on Earth so long ago that any trace of it has been erased? See omnystudio.com/listener for privacy information.
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