The Nobel Committee recognized President Obama for his efforts to change the tenor abroad. Here, Italian Prime Minister Silvio Berlusconi, French President Nicolas Sarkozy, Russian President Dmitri Medvedev, U.S. President Barack Obama, UN Secretary General Ban ki Moon, Libyan Leader Muammar Gaddafi and the extended members of the G8 world leaders pose for a "family photo" on the third day of the G8 summit on July 10, 2009. Oli Scarff/Getty Images hide caption

toggle caption Oli Scarff/Getty Images

The winners of the 2009 Nobel Prize in Chemistry, from left: Thomas Steitz, Ada Yonath and Venkatraman Ramakrishnan. Michel Marzlend/Yale University, Michael Probst/AP, MRC Laboratory of Molecular Biology hide caption

toggle caption Michel Marzlend/Yale University, Michael Probst/AP, MRC Laboratory of Molecular Biology

Gunnar Oquist (left), permanent secretary of the Royal Swedish Academy of Sciences, and Ingemar Lindstrom of the Academy sit next to portraits of the 2009 Nobel Physics Prize winners in Stockholm on Tuesday. Scanpix Sweden/Bertil Ericson/AP hide caption

toggle caption Scanpix Sweden/Bertil Ericson/AP

Fiber Optics, Imaging Pioneers Win Physics Nobel

The 2009 Nobel Prize in Physics has been awarded to Charles K. Kao, Willard S. Boyle and George E. Smith for breakthroughs in fiber optics and digital imaging.

Listen Loading… 3:59
  • Playlist
  • Download
  • Embed
    <iframe src="http://www.npr.org/player/embed/113527362/113548699" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Biologists Elizabeth H. Blackburn (left) and Carol Greider pose next to a bust of Paul Ehrlich before being awarded the Paul Ehrlich and Ludwig Darmstaedter Prize in Frankfurt, Germany. on March 19. Michael Probst/AP hide caption

toggle caption Michael Probst/AP