- Scientific American
December 1, 2011
- Harvard Health Publishing
November 22, 2011
- The New York Times
November 21, 2011
- APS Observer
October 4, 2011
- Scientific American
May 4, 2011
- Scientific American
December 1, 2011
- Harvard Health Publishing
November 22, 2011
- The New York Times
November 21, 2011
- APS Observer
October 4, 2011
- Scientific American
May 4, 2011