"Earthquakes in the Midwest/ Profile: Sang-Mook Lee"
Date Aired:
Sep 01, 2009
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Earthquakes in the Midwest
Earthquakes in the Midwest: Three massive earthquakes struck the American Midwest in 1811-12. Could it happen again?
Profile: Sang-Mook Lee a South Korean geophysicist paralyzed from the neck down defies stereotypes of the dis