I had no idea that there were pockets of helium gas on earth. Apparently, "Helium is generated deep underground through the natural radioactive decay of element

I had no idea that there were pockets of helium gas on earth. Apparently, "Helium is generated deep underground through the natural radioactive decay of elements such as uranium and thorium." Source: https://www.medicinenet.com/where_do_we_get_helium_gas_from/article.htm https://www.medicinenet.com/where_do_we_get_helium_gas_from/...