A similar thing is happening with helium too. The concern over the impending closure of the US National Helium Reserve prompted people to start looking, and the

A similar thing is happening with helium too. The concern over the impending closure of the US National Helium Reserve prompted people to start looking, and the results are already promising: https://www.bloomberg.com/news/articles/2017-11-07/tanzania-helium-find-may-be-double-first-estimate-explorer-says https://www.bloomberg.com/news/articles/2017-11-07/tanzania-...