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FAITH LAPIDUS: This program was written by Christopher Cruise. Our producer was June Simms. I'm Faith Lapidus.
CHRISTOPHER CRUISE: And I'm Christopher Cruise. Join us again next week for more news about science in Special English on the Voice of America.
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2013-11-25
2013-11-25
2013-11-25
2013-11-25
2013-11-25
2013-11-25