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PBS NewsHour

Stem Cell Scientists Win Nobel Prize in Medicine

8:24

England's Sir John Gurdon and Dr. Shinya Yamanaka from Japan share the 2012 Nobel Prize in medicine for work on stem cells, revealing that mature cells can be reverted into primitive cells. Ray Suarez talks to Harvard Stem Cell Institute's Dr. David Scadden, who explains the implications and applications for stem cell medicine.

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PBS NewsHour

State of the Union 2016

PBS NEWSHOUR offers live coverage of President Obama's speech and the Republican response.

0:20

PBS NewsHour

PBS NewsHour Weekend

Premieres Saturday, September 7, 2013 at 6 p.m. ET.

0:30

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