Hank talks about everyone's favorite squeaky-voice gas and why it's important for more than party balloons.

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For further reading:
"U.S. government agencies work to minimize damage due to helium-3 shortfall," Toni Feder, Physics Today October 2009, page 21
http://www.physicstoday.org/resource/1/phtoad/v62/i10/p21_s1?isAuthorize...
"Nation's helium reserve running on empty?" Leslie Tamura, Washington Post, Oct.11, 2010
http://education.jlab.org/itselemental/ele002.html