Helium is not that rare, it's just that we choose not the capture it when digging for oil or gas. The US mine that is "running out" is a store not a source. It'

Helium is not that rare, it's just that we choose not the capture it when digging for oil or gas. The US mine that is "running out" is a store not a source. It's just not economical to collect it from gas wells while the US is selling off the Helium reserve 'cheap'. http://m.phys.org/news/2013-04-probing-helium.html http://m.phys.org/news/2013-04-probing-helium.html