helium http://michiganradio.org en Will we face a helium balloon shortage? http://michiganradio.org/post/will-we-face-helium-balloon-shortage <p>I've never thought about this before, but where exactly does helium come from?&nbsp; Turns out, the gas comes from rocks decaying underground. It can't be manufactured and it's not renewable. Scientists are warning that our helium reserves are being quickly depleted. <em>The Independent reports </em>that the we could run out of helium in 25 to 30 years...</p> Fri, 27 Aug 2010 14:09:25 +0000 Mark Brush 26 at http://michiganradio.org Will we face a helium balloon shortage?