SciShow Quiz Show: Dave Loos

Hank and the gang return with SciShow Quiz Show, where Sci Show’s resident geniuses compete to win prizes for our subscribers!
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Sources:
http://www.wisegeek.com/what-is-the-content-of-lunar-soil.htm
http://curator.jsc.nasa.gov/lunar/lnews/lnmar97/oxygen.htm
http://ares.jsc.nasa.gov/humanexplore/exploration/exlibrary/docs/isru/06energy.htm