https://www.scientificamerican.com/article/geologic-activity-lets-microbes-mingle-deep-underground/

https://sanfordlab.org/article/stanford-university-study-surf-sheds-light-makeup-subsurface-microbial-communities

https://news.cornell.edu/stories/2022/04/swelling-colloids-could-fix-short-circuits-geothermal-wells

https://rapidcityjournal.com/news/local/sanford-underground-research-facility-studying-geothermal-fracking/article_ba904f05-b921-59d1-95ab-042b894546c0.html