Stuff You Should Know podcast

The Silurian Hypothesis

0:00
49:10
Spol 15 sekunder tilbage
Spol 15 sekunder frem

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.

Flere episoder fra "Stuff You Should Know"