It is odd that we don't look underwater for civilizations from before the end of the last ice age. We observe sea levels rising now from the melting of the ice caps, so why would it not have happened then too?
Because the end of the last ice age was only 12,000 years ago; and in that time frame, if that warming was caused by a prehistoric civilization, there would be a ton of evidence for that civilization's existence.
The ideas conveyed in the article are interesting in their own right, there was no need for profanity. I wish that Hacker News had a downvote option for cases such as this.
You can't be serious. You want to downvote an article full of information, only because a person quoted in that article used the f word? So much that you feel the need to shout it out into the world?
Doesn't the age of steam leave a coal ash deposit over the ocean floor?
http://www.pnas.org/content/111/19/6911
https://www.theguardian.com/science/2017/apr/26/the-first-br...
... which makes it clear that archaeologists are being pretty systematic about looking for settlements that were on the shore and are now drowned.
You can have your normalization of profanity in your pop superhero blockbuster movies. I hold my scientific journalism to a higher standard.