Deep in the back of your mind, you’ve always had the feeling that there’s something strange about reality. There is. Join Robert, Joe and Christian as they examine neurological quandaries, cosmic mysteries, evolutionary marvels and our transhuman future on Stuff To Blow Your Mind, a podcast from HowStuffWorks.com.

The Tunnelers

March 12, 2019•52 min

How deep into the Earth have humans traveled? How far have we drilled? In this episode of Stuff to Blow Your Mind, Robert Lamb and Joe McCormick explore some interesting lows from the history of mining, geologic exploration and good old fashioned subterranean living. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers