Rare Earth Elements

From the creator

Hank reveals why our love affair with the rare earth elements has a dark side. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: http://washingtonindependent.com/101462/california-mine-represents-hope-... http://www.nytimes.com/2011/03/09/business/energy-environment/09rare.htm... http://minerals.usgs.gov/minerals/pubs/commodity/rare_earths/

Published 2012-02-28 · Watch on YouTube ↗
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