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Uploaded by: Sqwatchy2  •  Category: Business  •  Added on 31 March 2015

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Hank reveals why our love affair with the rare earth elements has a dark side. Like SciShow on Facebook: www.facebook.com/scishow Follow SciShow on Twitter: www.twitter.com/scishow References: washingtonindependent.com/101462/california-mine-r…-......