TIL That Helium is the only element that is completely non-renewable, and we're rapidly running out of it - which is a big issue, as Helium is used heavily in the scientific community

https://www.npr.org/2019/11/01/775554343/the-world-is-constantly-running-out-of-helium-heres-why-it-matters

https://www.reddit.com/r/todayilearned/comments/161w06w/til_that_helium_is_the_only_element_that_is/