3 ms·
Given the surface of the planet is such a dynamic environment, I wonder how much evidence we should expect even if it did exist. See also: https://www.scientif
by TheBlight 3y ago
Given the surface of the planet is such a dynamic environment, I wonder how much evidence we should expect even if it did exist.
See also: https://www.scientificamerican.com/article/could-an-industrial-prehuman-civilization-have-existed-on-earth-before-ours/ https://www.scientificamerican.com/article/could-an-industri...
- Rebelgecko 3y agoThere's quite a few fossils showing single-celled organisms from 3+ billion years ago. I imagine if more complex life existed the fossils could've survived